\frac{7v}{12}+10=3

7v/12   + 10 = 3     subtract 10 from both sides of the equation

7v/12 = -7             multiply both sides by 12

7v   =   -84           divide both sides by 7

v  =   -12

7v/12+10=3

 

Multiply all by 12.

 

7v+120=36

Move over.....

7v=-84

v=-12

 

Hope this helped!