1b-72+42=239

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Solution for 1b-72+42=239 equation:


Simplifying
1b + -72 + 42 = 239

Reorder the terms:
-72 + 42 + 1b = 239

Combine like terms: -72 + 42 = -30
-30 + 1b = 239

Solving
-30 + 1b = 239

Solving for variable 'b'.

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

Add '30' to each side of the equation.
-30 + 30 + 1b = 239 + 30

Combine like terms: -30 + 30 = 0
0 + 1b = 239 + 30
1b = 239 + 30

Combine like terms: 239 + 30 = 269
1b = 269

Divide each side by '1'.
b = 269

Simplifying
b = 269

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