-5(5-3b)-1=-86

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Solution for -5(5-3b)-1=-86 equation:


Simplifying
-5(5 + -3b) + -1 = -86
(5 * -5 + -3b * -5) + -1 = -86
(-25 + 15b) + -1 = -86

Reorder the terms:
-25 + -1 + 15b = -86

Combine like terms: -25 + -1 = -26
-26 + 15b = -86

Solving
-26 + 15b = -86

Solving for variable 'b'.

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

Add '26' to each side of the equation.
-26 + 26 + 15b = -86 + 26

Combine like terms: -26 + 26 = 0
0 + 15b = -86 + 26
15b = -86 + 26

Combine like terms: -86 + 26 = -60
15b = -60

Divide each side by '15'.
b = -4

Simplifying
b = -4

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