18-x=2x+21

Simple and best practice solution for 18-x=2x+21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 18-x=2x+21 equation: 



18-x=2x+21

We move all terms to the left:

18-x-(2x+21)=0

We add all the numbers together, and all the variables

-1x-(2x+21)+18=0

We get rid of parentheses

-1x-2x-21+18=0

We add all the numbers together, and all the variables

-3x-3=0

We move all terms containing x to the left, all other terms to the right

-3x=3

x=3/-3

x=-1

See similar equations:

| -3g+7=-10-7g+1 | | -h+8+9h=2(5h-5) | | 3(-2w-6)=2(-3-6w) | | -5v-1=-10-2v | | 6(-2n+1)=-10n+8 | | z+11/2=41/2 | | -6p-6p+10=-10p-10 | | 8=-4(v-19) | | 3.5y-1.5y+4=y+10 | | 4(d+1)+3=15 | | -x/4+6=-4 | | 9s-10=7s | | 3(a–7)–5a=–9 | | 9(4r+10)+9=3r | | -3m-1=6-4m | | 22a-22+a=-4(1-6a) | | 2m=3m-6 | | -3x-14=16 | | −7n−3=−73 | | 3(s+1.76)=15.54 | | 14+5x=4x+3 | | 3(r+4)+-6.3=-9.3 | | 35-x=42-2x | | y+35=50 | | 7(2-7x)=-182 | | 7(2-7x=-182 | | 4(s+1)=2s+5+2s    | | -2(6+3w)=-3(-1+w) | | 9-0.2x=12-0.8x | | 7(-2m+2)+5m=-8m | | 8x–20=8+4x* | | 11+7x=83-2x |

Equations solver categories