If it's not what You are looking for type in the equation solver your own equation and let us solve it.
30-x=50
We move all terms to the left:
30-x-(50)=0
We add all the numbers together, and all the variables
-1x-20=0
We move all terms containing x to the left, all other terms to the right
-x=20
x=20/-1
x=-20
| 14–3(x+2)+5x=80 | | -4.42y+0.9=9.070-0.432 | | 4u+3=-17 | | 3x+20=-x+10 | | 10w+8^3=0 | | 2x+(3x-4)=2x-10 | | 135.75=25+8.25w | | -4+14=13x-3-12x | | 2x/5−5/2=x/4+7/2 | | 20+y=84-y | | 19d=13d-16 | | -20=3(u-6)-5u | | X/0.3=x/7 | | -4+2x-5x=17 | | 5.2+(w/4)=-1.2 | | -4+2r-5=17 | | -2(-5x+5)-3x+4=133 | | 1/3=x+-2 | | 2x-3+6x=31 | | 4/5c-1/2=2/7 | | 4x+5=-6x+5 | | 3r/7=6 | | 4(4x-4)+x+4=46 | | 4-6(6c-6)=-2 | | 8−(x−9)=10(x+2) | | 14c-3+2c=5(4c-2)+5 | | 5x+5x-5x=30 | | 1/8b+6=9 | | 6/7t+4=16 | | 2u^2+15u-27=0 | | 23=y/3-12 | | u=9-7u+7 |