Question

(b) 4a + 12 = 8a - 76​

Answer 1

Answer:

4a - 8a = 12 + 76

-4a = 88

a = 88/-4

a = -22 is the answer....

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$4a + 12 = 8a - 76$

$1) \: subtract \: 12 \: from \: the \: both \: sides \: of \: an \: equation$

$4a + 12 - 12 = 8a - 76 - 12$

$2)simplify$

$4a = 8a - 88$

$3)subtract \: 8a \: from \: both \: sides \: of \: the \: equation$

$4a - 8a = 8a - 88 - 8a$

$4)simplify$

$- 4a = - 88$

$5)divide \: both \: sides \: of \: the \: equation \: by \: the \: same \: term$

$\frac{ - 4a}{ - 4} = \frac{ - 88}{ - 4}$

$6)simplify$

$a = 22$

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