Need help don't know this
2 answers:
Answer:
<h2><em><u>-11a</u></em></h2>
Step-by-step explanation:
<em><u>Given</u></em><em><u>,</u></em>
-5a + a - 7a
<em>[</em><em>All</em><em> </em><em>will</em><em> </em><em>get</em><em> </em><em>added</em><em> </em><em>up</em><em> </em><em>as</em><em> </em><em>all</em><em> </em><em>have</em><em> </em><em>the</em><em> </em><em>same</em><em> </em><em>variable</em><em> </em><em>a</em><em> </em><em>]</em>
= -4a - 7a
=<em><u> -11a (Ans)</u></em>
Answer:
-11a
Is tge required answer.
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Estimate, ok
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Step-by-step explanation:
0.000000055
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