-87=-8(1+5b)+1

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Solution for -87=-8(1+5b)+1 equation:


Simplifying
-87 = -8(1 + 5b) + 1
-87 = (1 * -8 + 5b * -8) + 1
-87 = (-8 + -40b) + 1

Reorder the terms:
-87 = -8 + 1 + -40b

Combine like terms: -8 + 1 = -7
-87 = -7 + -40b

Solving
-87 = -7 + -40b

Solving for variable 'b'.

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

Add '40b' to each side of the equation.
-87 + 40b = -7 + -40b + 40b

Combine like terms: -40b + 40b = 0
-87 + 40b = -7 + 0
-87 + 40b = -7

Add '87' to each side of the equation.
-87 + 87 + 40b = -7 + 87

Combine like terms: -87 + 87 = 0
0 + 40b = -7 + 87
40b = -7 + 87

Combine like terms: -7 + 87 = 80
40b = 80

Divide each side by '40'.
b = 2

Simplifying
b = 2

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