If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12=6+18-9u
We move all terms to the left:
-12-(6+18-9u)=0
We add all the numbers together, and all the variables
-(-9u+24)-12=0
We get rid of parentheses
9u-24-12=0
We add all the numbers together, and all the variables
9u-36=0
We move all terms containing u to the left, all other terms to the right
9u=36
u=36/9
u=4
| a=16+1/2 | | x^2=50,2*(0,1-x)*(0,1-x) | | 8x-9=11+4x | | 2(0)-y4=4 | | 10u-5u=45 | | y=3(-5)+6 | | y/2+18=6 | | 2x-(0)4=4 | | 0.25e-14=24 | | 4n+2.7=9.5 | | 8x-3=5-18 | | 2x/3-4=3/6+2/3 | | 5x+2=6-4x | | 12+x/4=2x-2 | | 5f+45-11f=-27 | | -9a=-6a | | 9x-15+6x=180 | | 0.5(3x+5)-0.1(12x-5)=3(1+0,1x) | | 2+u=-4 | | 8x+22=17x-14 | | 7^2x-8=1009 | | 10-7+4x=-17 | | 6x^2=-32 | | 27+73=100+d730-365 | | -3(4r+1)=33 | | 7x+18=25x+18 | | 1.9=2y+9.7 | | 6w+48=90 | | X+4/2x+1=1 | | √x+4=↓x-2 | | 9x+81=23x-87 | | 84x-30=6 |