If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4-x=4x-21
We move all terms to the left:
4-x-(4x-21)=0
We add all the numbers together, and all the variables
-1x-(4x-21)+4=0
We get rid of parentheses
-1x-4x+21+4=0
We add all the numbers together, and all the variables
-5x+25=0
We move all terms containing x to the left, all other terms to the right
-5x=-25
x=-25/-5
x=+5
| -3(2+9k)-7(-12k+1)=1+10k-11-6k | | 0.25x+9x=-1.25*9 | | 8-4x=2x+2 | | 0.25x-1/9x=1.25*1/9 | | 2x+3-1=2(2x+2)-2x | | 0.25x-9x=1.25*9 | | 0.25x-9x=-1.25*9 | | 10(3^x+1)=100 | | 0.2x-12=-3 | | x.4x+7=51 | | 4s-28=4 | | 28=4r+28 | | -20=4(x-9) | | f/9-21=-28 | | 4=19x | | 4x+5/2=9x−3 | | 85000=10000(1.09)^6x | | 0.66(6x-12)=12 | | 8w-12=23 | | 2/3(6x-12)=12 | | y/30-2=7 | | X+2=x+3=x+6 | | +6(3-6r)=-18+4r | | g/5+18=25 | | f/5-20=-29 | | 3x+2=4x+8=2x | | g/5+15=26 | | g/5+15=16 | | 8-x=3x-4-2x | | 4(3-2x)=5(3-2x) | | -14x+132=26(x-8) | | 5.4=-t/1.5 |