b+40=70

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Solution for b+40=70 equation: 


Simplifying
b + 40 = 70

Reorder the terms:
40 + b = 70

Solving
40 + b = 70

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 + b = 70 + -40

Combine like terms: 40 + -40 = 0
0 + b = 70 + -40
b = 70 + -40

Combine like terms: 70 + -40 = 30
b = 30

Simplifying
b = 30

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