7y-7=3y+73

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Solution for 7y-7=3y+73 equation:


Simplifying
7y + -7 = 3y + 73

Reorder the terms:
-7 + 7y = 3y + 73

Reorder the terms:
-7 + 7y = 73 + 3y

Solving
-7 + 7y = 73 + 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.
-7 + 7y + -3y = 73 + 3y + -3y

Combine like terms: 7y + -3y = 4y
-7 + 4y = 73 + 3y + -3y

Combine like terms: 3y + -3y = 0
-7 + 4y = 73 + 0
-7 + 4y = 73

Add '7' to each side of the equation.
-7 + 7 + 4y = 73 + 7

Combine like terms: -7 + 7 = 0
0 + 4y = 73 + 7
4y = 73 + 7

Combine like terms: 73 + 7 = 80
4y = 80

Divide each side by '4'.
y = 20

Simplifying
y = 20

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