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velikii [3]
3 years ago
13

YOO ITS 4AM AND I HAVE CLASS IN TWO HOURS I NEED HELP -4(7a+7)-2a=92

Mathematics
1 answer:
lana66690 [7]3 years ago
7 0

- 4 ( 7a + 7 ) - 2a = 92

- 28a - 28 - 2a = 92

- 28a - 2a - 28 = 92

Collect like terms

- 30a - 28 = 92

Add both sides 28

- 30a - 28 + 28 = 92 + 28

- 30a = 120

Divide both sides by - 30

- 30a ÷ - 30 = 120 ÷ - 30

<h2><em>a</em><em> </em><em>=</em><em> </em><em>-</em><em> </em><em>4</em><em> </em></h2>

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