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-v-9=-(v+8)
We simplify the equation to the form, which is simple to understand
-v-9=-(v+8)
Remove unnecessary parentheses
-v-9=-1v-8
We move all terms containing v to the left and all other terms to the right.
-1v+1v=-8+9
We simplify left and right side of the equation.
v=+1
0=1
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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