Cookson Cookson

23-09-2021
Mathematics

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

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hnori22003 hnori22003

23-09-2021

- 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

a = - 4

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