8b+5+7=4

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Solution for 8b+5+7=4 equation: 


Simplifying
8b + 5 + 7 = 4

Reorder the terms:
5 + 7 + 8b = 4

Combine like terms: 5 + 7 = 12
12 + 8b = 4

Solving
12 + 8b = 4

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + 8b = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 8b = 4 + -12
8b = 4 + -12

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

Divide each side by '8'.
b = -1

Simplifying
b = -1

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