strongarm134 strongarm134
  • 10-09-2021
  • Mathematics
contestada

Solve 3(a + 3) – 6 = 21. Write a reason for each step.

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Hlee203
Hlee203 Hlee203
  • 10-09-2021

Answer:

Step-by-step explanation:

3(a+3)-6=21

<=>3a+9-6=21

<=>3a+3=21

<=>3a=18

<=>a=6

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williamsemily
williamsemily williamsemily
  • 10-09-2021
Your answer is a=6 and why is on this paper
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