If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7r-4r+6r=9
We move all terms to the left:
7r-4r+6r-(9)=0
We add all the numbers together, and all the variables
9r-9=0
We move all terms containing r to the left, all other terms to the right
9r=9
r=9/9
r=1
| -34=13v-25 | | 3(-x+4)=7x | | 2z+4z=6 | | -34=13v-5 | | 14+5/8x-20=4(1/8x-1) | | -8x=-68 | | 5x–65=6x–95 | | 20x+3=5x+30 | | f+1/4=7/2+3/5+7/4 | | 2x-25x+140=0 | | 3(w+11)=15 | | 6(8n-7)=102 | | 40=8(q+87) | | 8-x*3=2x-14 | | 8-x*3=2x-1 | | -11+-5t=-41 | | -1+2h=2h−1 | | x-8*3=2x-14 | | 9d+8=3d+50 | | 4p=-10+4p | | -x-2x-3x=-3x-3x | | 70=-5(2k-4) | | x-8=x*3=2x-14 | | -144=-6(-8x-16) | | -2+7u=7+8u | | 21-b=4b-17 | | 6-2r=-6-6r | | 180-x=5*x | | 9.42-2u=-7.6 | | E^2x+1=24 | | H=-16(2.6)^2+v(2.6)+0 | | 4r-(-18)=74 |