7-y-y=

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Solution for 7-y-y= equation:


Simplifying
7 + -1y + -1y = 0

Combine like terms: -1y + -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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