-80=8(b-5)-10(b+6)

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Solution for -80=8(b-5)-10(b+6) equation:


Simplifying
-80 = 8(b + -5) + -10(b + 6)

Reorder the terms:
-80 = 8(-5 + b) + -10(b + 6)
-80 = (-5 * 8 + b * 8) + -10(b + 6)
-80 = (-40 + 8b) + -10(b + 6)

Reorder the terms:
-80 = -40 + 8b + -10(6 + b)
-80 = -40 + 8b + (6 * -10 + b * -10)
-80 = -40 + 8b + (-60 + -10b)

Reorder the terms:
-80 = -40 + -60 + 8b + -10b

Combine like terms: -40 + -60 = -100
-80 = -100 + 8b + -10b

Combine like terms: 8b + -10b = -2b
-80 = -100 + -2b

Solving
-80 = -100 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
-80 + 2b = -100 + -2b + 2b

Combine like terms: -2b + 2b = 0
-80 + 2b = -100 + 0
-80 + 2b = -100

Add '80' to each side of the equation.
-80 + 80 + 2b = -100 + 80

Combine like terms: -80 + 80 = 0
0 + 2b = -100 + 80
2b = -100 + 80

Combine like terms: -100 + 80 = -20
2b = -20

Divide each side by '2'.
b = -10

Simplifying
b = -10

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