If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X=0.7X+121
We move all terms to the left:
X-(0.7X+121)=0
We get rid of parentheses
X-0.7X-121=0
We add all the numbers together, and all the variables
0.3X-121=0
We move all terms containing X to the left, all other terms to the right
0.3X=121
X=121/0.3
X=403+0.10000000000001/0.3
| 27=-5+4z | | 3(-1-2y)+5y=1 | | 32=z-7 | | 5^11X5^3=5n | | c+36=77 | | 4x+3*3x-4=1 | | q-24=26 | | 2x+16=3×-4(×+2) | | 2x+1+3x+3+x+6=4x-2+5x+3x+1+3x+10+4x-4 | | 2x+1+3x+3+x+6=4x-2 | | 12p-10=86 | | -9w-33=5(w-1) | | 9^2x-1=81^x-2/3^x | | 3x+10+3x+1+5x=4x-4 | | -6+x/4=-7 | | -3(w-4)=-5w+32 | | -9-4j=9-6j | | -10-5n=65 | | 3=z-4-5 | | -1-8n=151 | | 11+8p=35 | | 53(2x−1)=2×+5 | | 7+a/9=-1 | | h+237=7 | | g−27=2 | | 3x+1+3x+10+3x+3+2x+1+x+6+5x=4x-2+4x-4 | | -p+8=2 | | -3=m+64-6 | | 64z^2=100 | | q+259=894 | | 3x+10+3x+1+2x+1+3x+3+x+6+5x=4x-4+4x-2 | | 5u^2-52=28 |