4b-1-7=12

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Solution for 4b-1-7=12 equation: 


Simplifying
4b + -1 + -7 = 12

Reorder the terms:
-1 + -7 + 4b = 12

Combine like terms: -1 + -7 = -8
-8 + 4b = 12

Solving
-8 + 4b = 12

Solving for variable 'b'.

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

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

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

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

Divide each side by '4'.
b = 5

Simplifying
b = 5

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