3y+7-y=

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Solution for 3y+7-y= equation: 


Simplifying
3y + 7 + -1y = 0

Reorder the terms:
7 + 3y + -1y = 0

Combine like terms: 3y + -1y = 2y
7 + 2y = 0

Solving
7 + 2y = 0

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + 2y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2y = 0 + -7
2y = 0 + -7

Combine like terms: 0 + -7 = -7
2y = -7

Divide each side by '2'.
y = -3.5

Simplifying
y = -3.5

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