9y-3=7y+15

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Solution for 9y-3=7y+15 equation:


Simplifying
9y + -3 = 7y + 15

Reorder the terms:
-3 + 9y = 7y + 15

Reorder the terms:
-3 + 9y = 15 + 7y

Solving
-3 + 9y = 15 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-3 + 9y + -7y = 15 + 7y + -7y

Combine like terms: 9y + -7y = 2y
-3 + 2y = 15 + 7y + -7y

Combine like terms: 7y + -7y = 0
-3 + 2y = 15 + 0
-3 + 2y = 15

Add '3' to each side of the equation.
-3 + 3 + 2y = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 2y = 15 + 3
2y = 15 + 3

Combine like terms: 15 + 3 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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