-181=-3(-5b+7)+5b

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Solution for -181=-3(-5b+7)+5b equation:


Simplifying
-181 = -3(-5b + 7) + 5b

Reorder the terms:
-181 = -3(7 + -5b) + 5b
-181 = (7 * -3 + -5b * -3) + 5b
-181 = (-21 + 15b) + 5b

Combine like terms: 15b + 5b = 20b
-181 = -21 + 20b

Solving
-181 = -21 + 20b

Solving for variable 'b'.

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

Add '-20b' to each side of the equation.
-181 + -20b = -21 + 20b + -20b

Combine like terms: 20b + -20b = 0
-181 + -20b = -21 + 0
-181 + -20b = -21

Add '181' to each side of the equation.
-181 + 181 + -20b = -21 + 181

Combine like terms: -181 + 181 = 0
0 + -20b = -21 + 181
-20b = -21 + 181

Combine like terms: -21 + 181 = 160
-20b = 160

Divide each side by '-20'.
b = -8

Simplifying
b = -8

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