Algebra Basics

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What is a variable in algebra?
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A variable is a symbol used to represent a number.
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What is the solution to the equation x + 5 = 12?
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x = 7.
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What is the value of x if 3x = 21?
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x = 7.
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What does it mean to solve an equation?
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To solve an equation means to find the value of the variable.
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What are like terms in algebra?
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Like terms have the same variable raised to the same power.
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How do you simplify the expression 2x + 3x?
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2x + 3x simplifies to 5x.
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What is an algebraic expression?
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An algebraic expression contains numbers, variables, and operations.
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What is the distributive property?
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The distributive property is a(b + c) = ab + ac.
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What is the value of x if 7 - x = 4?
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x = 3.
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How do you write the equation for a line in slope-intercept form?
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In slope-intercept form, it is y = mx + b.
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What is meant by the term 'coefficient'?
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A coefficient is a number multiplied by a variable.
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If 2x = 10, what is the value of x?
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x = 5.
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What is the inverse operation of addition?
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The inverse operation of addition is subtraction.
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What is an equation?
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An equation is a statement that shows two expressions are equal.
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How do you isolate the variable in the equation x - 4 = 10?
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Add 4 to both sides to isolate x, making x = 14.
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