-7(b+1)+8(b-3)=

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Solution for -7(b+1)+8(b-3)= equation:


Simplifying
-7(b + 1) + 8(b + -3) = 0

Reorder the terms:
-7(1 + b) + 8(b + -3) = 0
(1 * -7 + b * -7) + 8(b + -3) = 0
(-7 + -7b) + 8(b + -3) = 0

Reorder the terms:
-7 + -7b + 8(-3 + b) = 0
-7 + -7b + (-3 * 8 + b * 8) = 0
-7 + -7b + (-24 + 8b) = 0

Reorder the terms:
-7 + -24 + -7b + 8b = 0

Combine like terms: -7 + -24 = -31
-31 + -7b + 8b = 0

Combine like terms: -7b + 8b = 1b
-31 + 1b = 0

Solving
-31 + 1b = 0

Solving for variable 'b'.

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

Add '31' to each side of the equation.
-31 + 31 + 1b = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 1b = 0 + 31
1b = 0 + 31

Combine like terms: 0 + 31 = 31
1b = 31

Divide each side by '1'.
b = 31

Simplifying
b = 31

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