90=4y-18

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Solution for 90=4y-18 equation:


Simplifying
90 = 4y + -18

Reorder the terms:
90 = -18 + 4y

Solving
90 = -18 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
90 + -4y = -18 + 4y + -4y

Combine like terms: 4y + -4y = 0
90 + -4y = -18 + 0
90 + -4y = -18

Add '-90' to each side of the equation.
90 + -90 + -4y = -18 + -90

Combine like terms: 90 + -90 = 0
0 + -4y = -18 + -90
-4y = -18 + -90

Combine like terms: -18 + -90 = -108
-4y = -108

Divide each side by '-4'.
y = 27

Simplifying
y = 27

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