If it's not what You are looking for type in the equation solver your own equation and let us solve it.
40-2x=4
We move all terms to the left:
40-2x-(4)=0
We add all the numbers together, and all the variables
-2x+36=0
We move all terms containing x to the left, all other terms to the right
-2x=-36
x=-36/-2
x=+18
| 234=144-w | | 3x-15=3(5-x) | | p+91=162 | | 4=16-2h | | 12=6j | | 3x/35=3/7 | | (x-5)/3=2/7 | | .03=73x+x | | 18x-5=3x+20 | | 1976549-123496=k+6785 | | 17+s~=-4 | | 3=3x^2-12x-12 | | -7x-2=+2x+29 | | 9e-13=13-4e | | 9(x+3)=-54 | | 5^x+2=625 | | 7x-22=-2x-29 | | 666x-1+2-1=666 | | 5-6y=-1 | | 45g=906-678=1 | | -9x-2=+2x-29 | | 9c=3c+18 | | 150-v/35=45 | | 4.5+1.5n=18-3n | | 5x2=100 | | .2r=68.88 | | 3^x-1+1=82 | | 3x^2-35=45 | | 95=-9+33x | | 6x+7=44 | | 4y+7=22-3 | | 4n^2-n-18=0 |