-8(b-1)+9=15

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Solution for -8(b-1)+9=15 equation:


Simplifying
-8(b + -1) + 9 = 15

Reorder the terms:
-8(-1 + b) + 9 = 15
(-1 * -8 + b * -8) + 9 = 15
(8 + -8b) + 9 = 15

Reorder the terms:
8 + 9 + -8b = 15

Combine like terms: 8 + 9 = 17
17 + -8b = 15

Solving
17 + -8b = 15

Solving for variable 'b'.

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

Add '-17' to each side of the equation.
17 + -17 + -8b = 15 + -17

Combine like terms: 17 + -17 = 0
0 + -8b = 15 + -17
-8b = 15 + -17

Combine like terms: 15 + -17 = -2
-8b = -2

Divide each side by '-8'.
b = 0.25

Simplifying
b = 0.25

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