-124=8(6+7a)-4

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Solution for -124=8(6+7a)-4 equation:


Simplifying
-124 = 8(6 + 7a) + -4
-124 = (6 * 8 + 7a * 8) + -4
-124 = (48 + 56a) + -4

Reorder the terms:
-124 = 48 + -4 + 56a

Combine like terms: 48 + -4 = 44
-124 = 44 + 56a

Solving
-124 = 44 + 56a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-56a' to each side of the equation.
-124 + -56a = 44 + 56a + -56a

Combine like terms: 56a + -56a = 0
-124 + -56a = 44 + 0
-124 + -56a = 44

Add '124' to each side of the equation.
-124 + 124 + -56a = 44 + 124

Combine like terms: -124 + 124 = 0
0 + -56a = 44 + 124
-56a = 44 + 124

Combine like terms: 44 + 124 = 168
-56a = 168

Divide each side by '-56'.
a = -3

Simplifying
a = -3

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