-4b=8(b-9)

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


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

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

Solving
-4b = -72 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
-4b + -8b = -72 + 8b + -8b

Combine like terms: -4b + -8b = -12b
-12b = -72 + 8b + -8b

Combine like terms: 8b + -8b = 0
-12b = -72 + 0
-12b = -72

Divide each side by '-12'.
b = 6

Simplifying
b = 6

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