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saul85 [17]
3 years ago
9

Simplify the expression: 7(–3 + r) =

Mathematics
2 answers:
Alexxandr [17]3 years ago
6 0
<h2><u>Answer:</u></h2><h2> \boxed{-21+7r}<u></u></h2><h2><u></u></h2><h2><u>Solution Steps:</u></h2>

______________________________

<h2><u> </u></h2><h3>1.) Use distributive property:</h3>
  • <u></u>7 × -3=-21
  • <u></u>7 × r=7r

<em>  - We do distributive property because we see parenthesis with a number/variable outside of the parenthesis. </em>

<h2><em><u></u></em></h2>

______________________________

lina2011 [118]3 years ago
4 0

Answer:

<u>-21+7r</u>

Step-by-step explanation:

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