4(b-7)+8=12

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Solution for 4(b-7)+8=12 equation:


Simplifying
4(b + -7) + 8 = 12

Reorder the terms:
4(-7 + b) + 8 = 12
(-7 * 4 + b * 4) + 8 = 12
(-28 + 4b) + 8 = 12

Reorder the terms:
-28 + 8 + 4b = 12

Combine like terms: -28 + 8 = -20
-20 + 4b = 12

Solving
-20 + 4b = 12

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 4b = 12 + 20

Combine like terms: -20 + 20 = 0
0 + 4b = 12 + 20
4b = 12 + 20

Combine like terms: 12 + 20 = 32
4b = 32

Divide each side by '4'.
b = 8

Simplifying
b = 8

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