90=18b-36

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Solution for 90=18b-36 equation:


Simplifying
90 = 18b + -36

Reorder the terms:
90 = -36 + 18b

Solving
90 = -36 + 18b

Solving for variable 'b'.

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

Add '-18b' to each side of the equation.
90 + -18b = -36 + 18b + -18b

Combine like terms: 18b + -18b = 0
90 + -18b = -36 + 0
90 + -18b = -36

Add '-90' to each side of the equation.
90 + -90 + -18b = -36 + -90

Combine like terms: 90 + -90 = 0
0 + -18b = -36 + -90
-18b = -36 + -90

Combine like terms: -36 + -90 = -126
-18b = -126

Divide each side by '-18'.
b = 7

Simplifying
b = 7

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