-138=-36b+42

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Solution for -138=-36b+42 equation:


Simplifying
-138 = -36b + 42

Reorder the terms:
-138 = 42 + -36b

Solving
-138 = 42 + -36b

Solving for variable 'b'.

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

Add '36b' to each side of the equation.
-138 + 36b = 42 + -36b + 36b

Combine like terms: -36b + 36b = 0
-138 + 36b = 42 + 0
-138 + 36b = 42

Add '138' to each side of the equation.
-138 + 138 + 36b = 42 + 138

Combine like terms: -138 + 138 = 0
0 + 36b = 42 + 138
36b = 42 + 138

Combine like terms: 42 + 138 = 180
36b = 180

Divide each side by '36'.
b = 5

Simplifying
b = 5

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