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

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


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

Reorder the terms:
4(-8 + b) = 9(b + -8)
(-8 * 4 + b * 4) = 9(b + -8)
(-32 + 4b) = 9(b + -8)

Reorder the terms:
-32 + 4b = 9(-8 + b)
-32 + 4b = (-8 * 9 + b * 9)
-32 + 4b = (-72 + 9b)

Solving
-32 + 4b = -72 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-32 + 4b + -9b = -72 + 9b + -9b

Combine like terms: 4b + -9b = -5b
-32 + -5b = -72 + 9b + -9b

Combine like terms: 9b + -9b = 0
-32 + -5b = -72 + 0
-32 + -5b = -72

Add '32' to each side of the equation.
-32 + 32 + -5b = -72 + 32

Combine like terms: -32 + 32 = 0
0 + -5b = -72 + 32
-5b = -72 + 32

Combine like terms: -72 + 32 = -40
-5b = -40

Divide each side by '-5'.
b = 8

Simplifying
b = 8

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