2b-40=240

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Solution for 2b-40=240 equation: 


Simplifying
2b + -40 = 240

Reorder the terms:
-40 + 2b = 240

Solving
-40 + 2b = 240

Solving for variable 'b'.

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

Add '40' to each side of the equation.
-40 + 40 + 2b = 240 + 40

Combine like terms: -40 + 40 = 0
0 + 2b = 240 + 40
2b = 240 + 40

Combine like terms: 240 + 40 = 280
2b = 280

Divide each side by '2'.
b = 140

Simplifying
b = 140

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