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Solving Inequalities using the Operations of Addition and Subtraction

Simplify the ...

Question

Simplify the expressions
$3 (a - 7)$

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Solution

$3 (a - 7) = 3 (a) + 3 (- 7) {D i s t i b u t i v e p r o p e r t y} = 3 a + (- 21) {M u l t i p l y}$
Final Answer: $3 a - 21$

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