4(3b-5)=-31

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Solution for 4(3b-5)=-31 equation:


Simplifying
4(3b + -5) = -31

Reorder the terms:
4(-5 + 3b) = -31
(-5 * 4 + 3b * 4) = -31
(-20 + 12b) = -31

Solving
-20 + 12b = -31

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 12b = -31 + 20

Combine like terms: -20 + 20 = 0
0 + 12b = -31 + 20
12b = -31 + 20

Combine like terms: -31 + 20 = -11
12b = -11

Divide each side by '12'.
b = -0.9166666667

Simplifying
b = -0.9166666667

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