8y-2=7y-9

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Solution for 8y-2=7y-9 equation:


Simplifying
8y + -2 = 7y + -9

Reorder the terms:
-2 + 8y = 7y + -9

Reorder the terms:
-2 + 8y = -9 + 7y

Solving
-2 + 8y = -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.
-2 + 8y + -7y = -9 + 7y + -7y

Combine like terms: 8y + -7y = 1y
-2 + 1y = -9 + 7y + -7y

Combine like terms: 7y + -7y = 0
-2 + 1y = -9 + 0
-2 + 1y = -9

Add '2' to each side of the equation.
-2 + 2 + 1y = -9 + 2

Combine like terms: -2 + 2 = 0
0 + 1y = -9 + 2
1y = -9 + 2

Combine like terms: -9 + 2 = -7
1y = -7

Divide each side by '1'.
y = -7

Simplifying
y = -7

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