7y-9=3y+7

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


Simplifying
7y + -9 = 3y + 7

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

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

Solving
-9 + 7y = 7 + 3y

Solving for variable 'y'.

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

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

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

Combine like terms: 3y + -3y = 0
-9 + 4y = 7 + 0
-9 + 4y = 7

Add '9' to each side of the equation.
-9 + 9 + 4y = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 4y = 7 + 9
4y = 7 + 9

Combine like terms: 7 + 9 = 16
4y = 16

Divide each side by '4'.
y = 4

Simplifying
y = 4

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