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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
Factors & Multiples
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Polynomials & Factoring
Functions & Graphs
Systems of Equations
Trigonometry
Trigonometric Functions
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$5x-2(2x-7)$$
Evaluate
$x+14$
Solution Steps
Use the distributive property to multiply $-2$ by $2x-7$.
$$5x-4x+14$$
Combine $5x$ and $-4x$ to get $x$.
$$x+14$$
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Expand
$x+14$
Solution Steps
Use the distributive property to multiply $-2$ by $2x-7$.
$$5x-4x+14$$
Combine $5x$ and $-4x$ to get $x$.
$$x+14$$
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