9y-2=7y

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Solution for 9y-2=7y equation:


Simplifying
9y + -2 = 7y

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

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

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

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

Add '2' to each side of the equation.
-2 + 2 + 2y = 0 + 2

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

Combine like terms: 0 + 2 = 2
2y = 2

Divide each side by '2'.
y = 1

Simplifying
y = 1

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