7--y-5--y=9-13

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Solution for 7--y-5--y=9-13 equation:


7--y-5--y=9-13

We simplify the equation to the form, which is simple to understand 
7+y-5+y=9-13

We move all terms containing y to the left and all other terms to the right. 
+1y+1y=+9-13-7+5

We simplify left and right side of the equation. 
+2y=-6

We divide both sides of the equation by 2 to get y. 
y=-3

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