13y-7=20y+7

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Solution for 13y-7=20y+7 equation:


Simplifying
13y + -7 = 20y + 7

Reorder the terms:
-7 + 13y = 20y + 7

Reorder the terms:
-7 + 13y = 7 + 20y

Solving
-7 + 13y = 7 + 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.
-7 + 13y + -20y = 7 + 20y + -20y

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

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

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

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

Combine like terms: 7 + 7 = 14
-7y = 14

Divide each side by '-7'.
y = -2

Simplifying
y = -2

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