13y-3=20y+18

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Solution for 13y-3=20y+18 equation:


Simplifying
13y + -3 = 20y + 18

Reorder the terms:
-3 + 13y = 20y + 18

Reorder the terms:
-3 + 13y = 18 + 20y

Solving
-3 + 13y = 18 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
-3 + 13y + -20y = 18 + 20y + -20y

Combine like terms: 13y + -20y = -7y
-3 + -7y = 18 + 20y + -20y

Combine like terms: 20y + -20y = 0
-3 + -7y = 18 + 0
-3 + -7y = 18

Add '3' to each side of the equation.
-3 + 3 + -7y = 18 + 3

Combine like terms: -3 + 3 = 0
0 + -7y = 18 + 3
-7y = 18 + 3

Combine like terms: 18 + 3 = 21
-7y = 21

Divide each side by '-7'.
y = -3

Simplifying
y = -3

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