4(-4+2b)-8(6b-7)=80

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Solution for 4(-4+2b)-8(6b-7)=80 equation:


Simplifying
4(-4 + 2b) + -8(6b + -7) = 80
(-4 * 4 + 2b * 4) + -8(6b + -7) = 80
(-16 + 8b) + -8(6b + -7) = 80

Reorder the terms:
-16 + 8b + -8(-7 + 6b) = 80
-16 + 8b + (-7 * -8 + 6b * -8) = 80
-16 + 8b + (56 + -48b) = 80

Reorder the terms:
-16 + 56 + 8b + -48b = 80

Combine like terms: -16 + 56 = 40
40 + 8b + -48b = 80

Combine like terms: 8b + -48b = -40b
40 + -40b = 80

Solving
40 + -40b = 80

Solving for variable 'b'.

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

Add '-40' to each side of the equation.
40 + -40 + -40b = 80 + -40

Combine like terms: 40 + -40 = 0
0 + -40b = 80 + -40
-40b = 80 + -40

Combine like terms: 80 + -40 = 40
-40b = 40

Divide each side by '-40'.
b = -1

Simplifying
b = -1

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