13+3x=(-x-15)

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Solution for 13+3x=(-x-15) equation:


13+3x=(-x-15)

We simplify the equation to the form, which is simple to understand 
13+3x=(-x-15)

Remove unnecessary parentheses
13+3x=-x-15

We move all terms containing x to the left and all other terms to the right. 
+3x+1x=-15-13

We simplify left and right side of the equation. 
+4x=-28

We divide both sides of the equation by 4 to get x. 
x=-7

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