-b(40-53)+12b=30

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Solution for -b(40-53)+12b=30 equation: 


Simplifying
-1b(40 + -53) + 12b = 30

Combine like terms: 40 + -53 = -13
-1b(-13) + 12b = 30

Reorder the terms for easier multiplication:
-1 * -13b + 12b = 30

Multiply -1 * -13
13b + 12b = 30

Combine like terms: 13b + 12b = 25b
25b = 30

Solving
25b = 30

Solving for variable 'b'.

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

Divide each side by '25'.
b = 1.2

Simplifying
b = 1.2

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