7+2y=9+7y

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


Simplifying
7 + 2y = 9 + 7y

Solving
7 + 2y = 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.
7 + 2y + -7y = 9 + 7y + -7y

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

Combine like terms: 7y + -7y = 0
7 + -5y = 9 + 0
7 + -5y = 9

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

Combine like terms: 7 + -7 = 0
0 + -5y = 9 + -7
-5y = 9 + -7

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

Divide each side by '-5'.
y = -0.4

Simplifying
y = -0.4

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