9=7y-3y-3

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


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

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

Combine like terms: 7y + -3y = 4y
9 = -3 + 4y

Solving
9 = -3 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
9 + -4y = -3 + 4y + -4y

Combine like terms: 4y + -4y = 0
9 + -4y = -3 + 0
9 + -4y = -3

Add '-9' to each side of the equation.
9 + -9 + -4y = -3 + -9

Combine like terms: 9 + -9 = 0
0 + -4y = -3 + -9
-4y = -3 + -9

Combine like terms: -3 + -9 = -12
-4y = -12

Divide each side by '-4'.
y = 3

Simplifying
y = 3

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