If it's not what You are looking for type in the equation solver your own equation and let us solve it.
6v-13v=91
We move all terms to the left:
6v-13v-(91)=0
We add all the numbers together, and all the variables
-7v-91=0
We move all terms containing v to the left, all other terms to the right
-7v=91
v=91/-7
v=-13
| 16v−13v=9 | | 60=-10+10*2+6*4+0.6x | | 3n−2n=11 | | 12a−10a=8 | | 2k-k=2 | | 2k−k=2 | | 9h-8h=20 | | 10x+12=6x-33 | | 1/2x^2-x-1=0 | | 9h−8h=20 | | 2x+20/4=2 | | 7d+3d=10 | | -2=b+27/2 | | х^3+12x^2+44x+48=0 | | 7(u-7)=9u-29 | | 8w-16=-5(w-2) | | y=(3/4)(7/9)(4/7) | | z^2-18z+97=0 | | 2*(x/5+2)+x=10,3 | | 13w=9w+12 | | 9(u+4)=2u+43 | | 5(x+3)-7x=-5 | | 30/2x+8=5 | | 9r-5-3r=10 | | u(-3/4)=-9 | | 108+x=156 | | 2(3x+15)=3(2x+5) | | 6(n-1)=-78 | | 4+2(x–4)=–7(x+7) | | -2(y-4)=5y-34 | | -37=-8y+5(y-5) | | 10x^2-20x=3x-12 |