56+85-3b+2b+42=180

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Solution for 56+85-3b+2b+42=180 equation:


Simplifying
56 + 85 + -3b + 2b + 42 = 180

Reorder the terms:
56 + 85 + 42 + -3b + 2b = 180

Combine like terms: 56 + 85 = 141
141 + 42 + -3b + 2b = 180

Combine like terms: 141 + 42 = 183
183 + -3b + 2b = 180

Combine like terms: -3b + 2b = -1b
183 + -1b = 180

Solving
183 + -1b = 180

Solving for variable 'b'.

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

Add '-183' to each side of the equation.
183 + -183 + -1b = 180 + -183

Combine like terms: 183 + -183 = 0
0 + -1b = 180 + -183
-1b = 180 + -183

Combine like terms: 180 + -183 = -3
-1b = -3

Divide each side by '-1'.
b = 3

Simplifying
b = 3

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