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Sedaia [141]
2 years ago
12

5(–9a–1)+7? so me on e an sw er pl ea se

Mathematics
2 answers:
ozzi2 years ago
8 0

Step-by-step explanation:

<h3>5(-9a-1)+7</h3><h3>-45a-5+7</h3><h3>-45a+2</h3>
il63 [147K]2 years ago
3 0

Answer:

5(–9a–1)+7=0

5(-9a-1)=-7

-9a-1=-7/5

9a+1=7/5

9a=7/5 +1

a=(7+5)/(5×9)=35/45=7/9

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