-3(4b+7)=-12+3(b-3)

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Solution for -3(4b+7)=-12+3(b-3) equation:


Simplifying
-3(4b + 7) = -12 + 3(b + -3)

Reorder the terms:
-3(7 + 4b) = -12 + 3(b + -3)
(7 * -3 + 4b * -3) = -12 + 3(b + -3)
(-21 + -12b) = -12 + 3(b + -3)

Reorder the terms:
-21 + -12b = -12 + 3(-3 + b)
-21 + -12b = -12 + (-3 * 3 + b * 3)
-21 + -12b = -12 + (-9 + 3b)

Combine like terms: -12 + -9 = -21
-21 + -12b = -21 + 3b

Add '21' to each side of the equation.
-21 + 21 + -12b = -21 + 21 + 3b

Combine like terms: -21 + 21 = 0
0 + -12b = -21 + 21 + 3b
-12b = -21 + 21 + 3b

Combine like terms: -21 + 21 = 0
-12b = 0 + 3b
-12b = 3b

Solving
-12b = 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.
-12b + -3b = 3b + -3b

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

Combine like terms: 3b + -3b = 0
-15b = 0

Divide each side by '-15'.
b = 0

Simplifying
b = 0

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