7y+13=9y-5

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Solution for 7y+13=9y-5 equation:


Simplifying
7y + 13 = 9y + -5

Reorder the terms:
13 + 7y = 9y + -5

Reorder the terms:
13 + 7y = -5 + 9y

Solving
13 + 7y = -5 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
13 + 7y + -9y = -5 + 9y + -9y

Combine like terms: 7y + -9y = -2y
13 + -2y = -5 + 9y + -9y

Combine like terms: 9y + -9y = 0
13 + -2y = -5 + 0
13 + -2y = -5

Add '-13' to each side of the equation.
13 + -13 + -2y = -5 + -13

Combine like terms: 13 + -13 = 0
0 + -2y = -5 + -13
-2y = -5 + -13

Combine like terms: -5 + -13 = -18
-2y = -18

Divide each side by '-2'.
y = 9

Simplifying
y = 9

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