2(-3+5)-12=9b-3(5b+4)

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Solution for 2(-3+5)-12=9b-3(5b+4) equation:


Simplifying
2(-3 + 5) + -12 = 9b + -3(5b + 4)

Combine like terms: -3 + 5 = 2
2(2) + -12 = 9b + -3(5b + 4)

Multiply 2 * 2
4 + -12 = 9b + -3(5b + 4)

Combine like terms: 4 + -12 = -8
-8 = 9b + -3(5b + 4)

Reorder the terms:
-8 = 9b + -3(4 + 5b)
-8 = 9b + (4 * -3 + 5b * -3)
-8 = 9b + (-12 + -15b)

Reorder the terms:
-8 = -12 + 9b + -15b

Combine like terms: 9b + -15b = -6b
-8 = -12 + -6b

Solving
-8 = -12 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
-8 + 6b = -12 + -6b + 6b

Combine like terms: -6b + 6b = 0
-8 + 6b = -12 + 0
-8 + 6b = -12

Add '8' to each side of the equation.
-8 + 8 + 6b = -12 + 8

Combine like terms: -8 + 8 = 0
0 + 6b = -12 + 8
6b = -12 + 8

Combine like terms: -12 + 8 = -4
6b = -4

Divide each side by '6'.
b = -0.6666666667

Simplifying
b = -0.6666666667

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