7(b-1)-(8-b)=

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Solution for 7(b-1)-(8-b)= equation:


Simplifying
7(b + -1) + -1(8 + -1b) = 0

Reorder the terms:
7(-1 + b) + -1(8 + -1b) = 0
(-1 * 7 + b * 7) + -1(8 + -1b) = 0
(-7 + 7b) + -1(8 + -1b) = 0
-7 + 7b + (8 * -1 + -1b * -1) = 0
-7 + 7b + (-8 + 1b) = 0

Reorder the terms:
-7 + -8 + 7b + 1b = 0

Combine like terms: -7 + -8 = -15
-15 + 7b + 1b = 0

Combine like terms: 7b + 1b = 8b
-15 + 8b = 0

Solving
-15 + 8b = 0

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 8b = 0 + 15

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

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

Divide each side by '8'.
b = 1.875

Simplifying
b = 1.875

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