-(12+15b)=-3(-8-b)

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Solution for -(12+15b)=-3(-8-b) equation:


Simplifying
-1(12 + 15b) = -3(-8 + -1b)
(12 * -1 + 15b * -1) = -3(-8 + -1b)
(-12 + -15b) = -3(-8 + -1b)
-12 + -15b = (-8 * -3 + -1b * -3)
-12 + -15b = (24 + 3b)

Solving
-12 + -15b = 24 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-12 + -15b + -3b = 24 + 3b + -3b

Combine like terms: -15b + -3b = -18b
-12 + -18b = 24 + 3b + -3b

Combine like terms: 3b + -3b = 0
-12 + -18b = 24 + 0
-12 + -18b = 24

Add '12' to each side of the equation.
-12 + 12 + -18b = 24 + 12

Combine like terms: -12 + 12 = 0
0 + -18b = 24 + 12
-18b = 24 + 12

Combine like terms: 24 + 12 = 36
-18b = 36

Divide each side by '-18'.
b = -2

Simplifying
b = -2

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