90-2b=3b

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Solution for 90-2b=3b equation:


Simplifying
90 + -2b = 3b

Solving
90 + -2b = 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
90 + -2b + -3b = 3b + -3b

Combine like terms: -2b + -3b = -5b
90 + -5b = 3b + -3b

Combine like terms: 3b + -3b = 0
90 + -5b = 0

Add '-90' to each side of the equation.
90 + -90 + -5b = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -5b = 0 + -90
-5b = 0 + -90

Combine like terms: 0 + -90 = -90
-5b = -90

Divide each side by '-5'.
b = 18

Simplifying
b = 18

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