18-2y+4=20

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Solution for 18-2y+4=20 equation:


Simplifying
18 + -2y + 4 = 20

Reorder the terms:
18 + 4 + -2y = 20

Combine like terms: 18 + 4 = 22
22 + -2y = 20

Solving
22 + -2y = 20

Solving for variable 'y'.

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

Add '-22' to each side of the equation.
22 + -22 + -2y = 20 + -22

Combine like terms: 22 + -22 = 0
0 + -2y = 20 + -22
-2y = 20 + -22

Combine like terms: 20 + -22 = -2
-2y = -2

Divide each side by '-2'.
y = 1

Simplifying
y = 1

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