5(b-4)=-9(b-10)-8b

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Solution for 5(b-4)=-9(b-10)-8b equation:


Simplifying
5(b + -4) = -9(b + -10) + -8b

Reorder the terms:
5(-4 + b) = -9(b + -10) + -8b
(-4 * 5 + b * 5) = -9(b + -10) + -8b
(-20 + 5b) = -9(b + -10) + -8b

Reorder the terms:
-20 + 5b = -9(-10 + b) + -8b
-20 + 5b = (-10 * -9 + b * -9) + -8b
-20 + 5b = (90 + -9b) + -8b

Combine like terms: -9b + -8b = -17b
-20 + 5b = 90 + -17b

Solving
-20 + 5b = 90 + -17b

Solving for variable 'b'.

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

Add '17b' to each side of the equation.
-20 + 5b + 17b = 90 + -17b + 17b

Combine like terms: 5b + 17b = 22b
-20 + 22b = 90 + -17b + 17b

Combine like terms: -17b + 17b = 0
-20 + 22b = 90 + 0
-20 + 22b = 90

Add '20' to each side of the equation.
-20 + 20 + 22b = 90 + 20

Combine like terms: -20 + 20 = 0
0 + 22b = 90 + 20
22b = 90 + 20

Combine like terms: 90 + 20 = 110
22b = 110

Divide each side by '22'.
b = 5

Simplifying
b = 5

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