If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-x+7x=18
We move all terms to the left:
-x+7x-(18)=0
We add all the numbers together, and all the variables
6x-18=0
We move all terms containing x to the left, all other terms to the right
6x=18
x=18/6
x=3
| 102=x+6 | | X+5/4=x/8 | | 3x+4=175 | | -8x+3(2+3)=19 | | -8(w-9)=6w-40 | | -3+11x=-267 | | -5=6a-59 | | 2=b/2-5 | | 2(3x+6)=3(x=-10) | | 17=3m+2+2m | | -3(3+r)=-51 | | 11x+16=4x- | | 5(x+8)=20 | | 20=x+(-10) | | 8p+2p=30 | | 6x-47=10x-9 | | -20=n/13 | | 5=g/8 | | a=+6a-9=30 | | 112=16r | | 3(x+6)-1=3x+5 | | 2x(4+7)=30 | | -30=3v+3(v-6) | | (x^2-25)=(x-5)(x+5)=0 | | S(m)=6m2 | | 7/b-7b/17=36/17 | | 3+11a=9-5a | | 3+4x-11=-36 | | 2.5+9.25=7+3.25d | | (3x+1)-7=11 | | 63=1/2h(4+5) | | 0.04x-0.9x=15.6 |