7-(-y)=2

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Solution for 7-(-y)=2 equation: 


Simplifying
7 + -1(-1y) = 2

Remove parenthesis around (-1y)
7 + -1 * -1y = 2

Multiply -1 * -1
7 + 1y = 2

Solving
7 + 1y = 2

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 + 1y = 2 + -7

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

Combine like terms: 2 + -7 = -5
1y = -5

Divide each side by '1'.
y = -5

Simplifying
y = -5

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