30=-40-5b

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Solution for 30=-40-5b equation:


Simplifying
30 = -40 + -5b

Solving
30 = -40 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
30 + 5b = -40 + -5b + 5b

Combine like terms: -5b + 5b = 0
30 + 5b = -40 + 0
30 + 5b = -40

Add '-30' to each side of the equation.
30 + -30 + 5b = -40 + -30

Combine like terms: 30 + -30 = 0
0 + 5b = -40 + -30
5b = -40 + -30

Combine like terms: -40 + -30 = -70
5b = -70

Divide each side by '5'.
b = -14

Simplifying
b = -14

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