40=-5(b+18)+-30

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Solution for 40=-5(b+18)+-30 equation:


Simplifying
40 = -5(b + 18) + -30

Reorder the terms:
40 = -5(18 + b) + -30
40 = (18 * -5 + b * -5) + -30
40 = (-90 + -5b) + -30

Reorder the terms:
40 = -90 + -30 + -5b

Combine like terms: -90 + -30 = -120
40 = -120 + -5b

Solving
40 = -120 + -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.
40 + 5b = -120 + -5b + 5b

Combine like terms: -5b + 5b = 0
40 + 5b = -120 + 0
40 + 5b = -120

Add '-40' to each side of the equation.
40 + -40 + 5b = -120 + -40

Combine like terms: 40 + -40 = 0
0 + 5b = -120 + -40
5b = -120 + -40

Combine like terms: -120 + -40 = -160
5b = -160

Divide each side by '5'.
b = -32

Simplifying
b = -32

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