If it's not what You are looking for type in the equation solver your own equation and let us solve it.
31=4v-13
We move all terms to the left:
31-(4v-13)=0
We get rid of parentheses
-4v+13+31=0
We add all the numbers together, and all the variables
-4v+44=0
We move all terms containing v to the left, all other terms to the right
-4v=-44
v=-44/-4
v=+11
| 3.9y=18.34 | | X+0=x+4 | | 4(y-2)=3(y-5) | | 17g-23=130 | | (10x-22)=180 | | 6+18m=-16m-36 | | -5(x+5)=-5x-25 | | 0.3x+0.85x-2=2.6 | | 27=-3x+12 | | -16x^2+18x+6=0 | | 8d+18=74 | | 3t^2-23t+56=0 | | 22+3z=91 | | -3.2w-2=-4 | | -9x=4+7x | | 3*4/5=n | | (2x+12)÷7=6.5 | | 2g-27=9 | | 62+4(x-2)+5x-7=180 | | 7-5m=1-6m | | (8x+2)+(3x+11)=90 | | a=-4-(-12) | | 6(×+2)=4x | | y=15+(-13) | | 18c+5+3c=-75 | | 50=5f | | 12x2+3x=2-2x | | -44-(-11)=n | | 4(5+x=20 | | 0.6x(2.8-x)=48.6 | | 2x+3.5=25.5 | | 2x(x+4)=960 |