20-4y=-18

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Solution for 20-4y=-18 equation: 


Simplifying
20 + -4y = -18

Solving
20 + -4y = -18

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + -4y = -18 + -20

Combine like terms: 20 + -20 = 0
0 + -4y = -18 + -20
-4y = -18 + -20

Combine like terms: -18 + -20 = -38
-4y = -38

Divide each side by '-4'.
y = 9.5

Simplifying
y = 9.5

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