5y+3-7y=9

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Solution for 5y+3-7y=9 equation: 


Simplifying
5y + 3 + -7y = 9

Reorder the terms:
3 + 5y + -7y = 9

Combine like terms: 5y + -7y = -2y
3 + -2y = 9

Solving
3 + -2y = 9

Solving for variable 'y'.

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

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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