-5b-10b+20=80

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Solution for -5b-10b+20=80 equation:


Simplifying
-5b + -10b + 20 = 80

Reorder the terms:
20 + -5b + -10b = 80

Combine like terms: -5b + -10b = -15b
20 + -15b = 80

Solving
20 + -15b = 80

Solving for variable 'b'.

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

Add '-20' to each side of the equation.
20 + -20 + -15b = 80 + -20

Combine like terms: 20 + -20 = 0
0 + -15b = 80 + -20
-15b = 80 + -20

Combine like terms: 80 + -20 = 60
-15b = 60

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

Simplifying
b = -4

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