7y-18=5y+20

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Solution for 7y-18=5y+20 equation:


Simplifying
7y + -18 = 5y + 20

Reorder the terms:
-18 + 7y = 5y + 20

Reorder the terms:
-18 + 7y = 20 + 5y

Solving
-18 + 7y = 20 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-18 + 7y + -5y = 20 + 5y + -5y

Combine like terms: 7y + -5y = 2y
-18 + 2y = 20 + 5y + -5y

Combine like terms: 5y + -5y = 0
-18 + 2y = 20 + 0
-18 + 2y = 20

Add '18' to each side of the equation.
-18 + 18 + 2y = 20 + 18

Combine like terms: -18 + 18 = 0
0 + 2y = 20 + 18
2y = 20 + 18

Combine like terms: 20 + 18 = 38
2y = 38

Divide each side by '2'.
y = 19

Simplifying
y = 19

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