40=10-2b

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Solution for 40=10-2b equation:


Simplifying
40 = 10 + -2b

Solving
40 = 10 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
40 + 2b = 10 + -2b + 2b

Combine like terms: -2b + 2b = 0
40 + 2b = 10 + 0
40 + 2b = 10

Add '-40' to each side of the equation.
40 + -40 + 2b = 10 + -40

Combine like terms: 40 + -40 = 0
0 + 2b = 10 + -40
2b = 10 + -40

Combine like terms: 10 + -40 = -30
2b = -30

Divide each side by '2'.
b = -15

Simplifying
b = -15

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