If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4+v=13
We move all terms to the left:
4+v-(13)=0
We add all the numbers together, and all the variables
v-9=0
We move all terms containing v to the left, all other terms to the right
v=9
| 4w+-5=-17 | | 12-5m=47 | | .4=4.6+0.2z | | n-2×180°=2520 | | -21-x=-20 | | 17/12-(-1/8)=b | | 4=2r-6 | | 5x+15=5.50 | | x+225=360 | | 3x+27=16x-24 | | (n-2)180°=2520 | | 9x+7-x=-9 | | 2(6+x)=84 | | 18x+17=2(9x=8)=1 | | y-3.2=6.5 | | 2x+12=5x*9 | | 8z+3(z=8) | | 1/8(40x+16)=9x-7(2x-1) | | 3t+9=30 | | 6x+57=147 | | 8x-11=6x+12 | | x/14-2=-1 | | 3(3/4)x-12/25=0 | | -8m-7(3+m)=-5m-11 | | -5x+9(-3)=-7 | | 5+7x=-114 | | 2u+6.8=10 | | -9p+3=-168 | | 35√(x+2)3+3=27 | | -9x+10(7)=-11 | | 0.5m=4 | | 9/4x-12/25=x |