8(b-4)+7(1-5b)=56

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Solution for 8(b-4)+7(1-5b)=56 equation:


Simplifying
8(b + -4) + 7(1 + -5b) = 56

Reorder the terms:
8(-4 + b) + 7(1 + -5b) = 56
(-4 * 8 + b * 8) + 7(1 + -5b) = 56
(-32 + 8b) + 7(1 + -5b) = 56
-32 + 8b + (1 * 7 + -5b * 7) = 56
-32 + 8b + (7 + -35b) = 56

Reorder the terms:
-32 + 7 + 8b + -35b = 56

Combine like terms: -32 + 7 = -25
-25 + 8b + -35b = 56

Combine like terms: 8b + -35b = -27b
-25 + -27b = 56

Solving
-25 + -27b = 56

Solving for variable 'b'.

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

Add '25' to each side of the equation.
-25 + 25 + -27b = 56 + 25

Combine like terms: -25 + 25 = 0
0 + -27b = 56 + 25
-27b = 56 + 25

Combine like terms: 56 + 25 = 81
-27b = 81

Divide each side by '-27'.
b = -3

Simplifying
b = -3

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