7y-3=y-9

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


Simplifying
7y + -3 = y + -9

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

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

Solving
-3 + 7y = -9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-3 + 7y + -1y = -9 + y + -1y

Combine like terms: 7y + -1y = 6y
-3 + 6y = -9 + y + -1y

Combine like terms: y + -1y = 0
-3 + 6y = -9 + 0
-3 + 6y = -9

Add '3' to each side of the equation.
-3 + 3 + 6y = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 6y = -9 + 3
6y = -9 + 3

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

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

Simplifying
y = -1

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