85-3b+2b+42=180

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Solution for 85-3b+2b+42=180 equation:


Simplifying
85 + -3b + 2b + 42 = 180

Reorder the terms:
85 + 42 + -3b + 2b = 180

Combine like terms: 85 + 42 = 127
127 + -3b + 2b = 180

Combine like terms: -3b + 2b = -1b
127 + -1b = 180

Solving
127 + -1b = 180

Solving for variable 'b'.

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

Add '-127' to each side of the equation.
127 + -127 + -1b = 180 + -127

Combine like terms: 127 + -127 = 0
0 + -1b = 180 + -127
-1b = 180 + -127

Combine like terms: 180 + -127 = 53
-1b = 53

Divide each side by '-1'.
b = -53

Simplifying
b = -53

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