7-y-y=-4

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Solution for 7-y-y=-4 equation:


Simplifying
7 + -1y + -1y = -4

Combine like terms: -1y + -1y = -2y
7 + -2y = -4

Solving
7 + -2y = -4

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 = -4 + -7

Combine like terms: 7 + -7 = 0
0 + -2y = -4 + -7
-2y = -4 + -7

Combine like terms: -4 + -7 = -11
-2y = -11

Divide each side by '-2'.
y = 5.5

Simplifying
y = 5.5

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