Answer:
v=-9
Explanation:
11+15v=-7+13v
11+15v-13v=-7+13v-13v ==> remove v from one side of the equation
11+2v=-7
11-11+2v=-7-11 ==> isolate v so that it's the only number in the left side
2v=-18
2v/2=-18/2 ==> solve for v
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