8(2a+3)-12=129-8

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Solution for 8(2a+3)-12=129-8 equation: 


Simplifying
8(2a + 3) + -12 = 129 + -8

Reorder the terms:
8(3 + 2a) + -12 = 129 + -8
(3 * 8 + 2a * 8) + -12 = 129 + -8
(24 + 16a) + -12 = 129 + -8

Reorder the terms:
24 + -12 + 16a = 129 + -8

Combine like terms: 24 + -12 = 12
12 + 16a = 129 + -8

Combine like terms: 129 + -8 = 121
12 + 16a = 121

Solving
12 + 16a = 121

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 16a = 121 + -12

Combine like terms: 12 + -12 = 0
0 + 16a = 121 + -12
16a = 121 + -12

Combine like terms: 121 + -12 = 109
16a = 109

Divide each side by '16'.
a = 6.8125

Simplifying
a = 6.8125

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