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7v=7v+4
We simplify the equation to the form, which is simple to understand
7v=7v+4
We move all terms containing v to the left and all other terms to the right.
+7v-7v=+4
We simplify left and right side of the equation.
v=+4
0=4
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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