x+3=x-15

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Solution for x+3=x-15 equation:


x+3=x-15

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

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

We simplify left and right side of the equation. 
0x=-18

0=-18

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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