7y-3+2y=7y-9

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Solution for 7y-3+2y=7y-9 equation:


Simplifying
7y + -3 + 2y = 7y + -9

Reorder the terms:
-3 + 7y + 2y = 7y + -9

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

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

Solving
-3 + 9y = -9 + 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 = -9 + 7y + -7y

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

Combine like terms: 7y + -7y = 0
-3 + 2y = -9 + 0
-3 + 2y = -9

Add '3' to each side of the equation.
-3 + 3 + 2y = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 2y = -9 + 3
2y = -9 + 3

Combine like terms: -9 + 3 = -6
2y = -6

Divide each side by '2'.
y = -3

Simplifying
y = -3

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