5(4-b)=-3(b-9)

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


Simplifying
5(4 + -1b) = -3(b + -9)
(4 * 5 + -1b * 5) = -3(b + -9)
(20 + -5b) = -3(b + -9)

Reorder the terms:
20 + -5b = -3(-9 + b)
20 + -5b = (-9 * -3 + b * -3)
20 + -5b = (27 + -3b)

Solving
20 + -5b = 27 + -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.
20 + -5b + 3b = 27 + -3b + 3b

Combine like terms: -5b + 3b = -2b
20 + -2b = 27 + -3b + 3b

Combine like terms: -3b + 3b = 0
20 + -2b = 27 + 0
20 + -2b = 27

Add '-20' to each side of the equation.
20 + -20 + -2b = 27 + -20

Combine like terms: 20 + -20 = 0
0 + -2b = 27 + -20
-2b = 27 + -20

Combine like terms: 27 + -20 = 7
-2b = 7

Divide each side by '-2'.
b = -3.5

Simplifying
b = -3.5

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