7y-9=8y-3

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Solution for 7y-9=8y-3 equation:


Simplifying
7y + -9 = 8y + -3

Reorder the terms:
-9 + 7y = 8y + -3

Reorder the terms:
-9 + 7y = -3 + 8y

Solving
-9 + 7y = -3 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-9 + 7y + -8y = -3 + 8y + -8y

Combine like terms: 7y + -8y = -1y
-9 + -1y = -3 + 8y + -8y

Combine like terms: 8y + -8y = 0
-9 + -1y = -3 + 0
-9 + -1y = -3

Add '9' to each side of the equation.
-9 + 9 + -1y = -3 + 9

Combine like terms: -9 + 9 = 0
0 + -1y = -3 + 9
-1y = -3 + 9

Combine like terms: -3 + 9 = 6
-1y = 6

Divide each side by '-1'.
y = -6

Simplifying
y = -6

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