4+x+9=2x+21

Simple and best practice solution for 4+x+9=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 4+x+9=2x+21 equation: 



4+x+9=2x+21

We move all terms to the left:

4+x+9-(2x+21)=0

We add all the numbers together, and all the variables

x-(2x+21)+13=0

We get rid of parentheses

x-2x-21+13=0

We add all the numbers together, and all the variables

-1x-8=0

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

-x=8

x=8/-1

x=-8

See similar equations:

| 6,5*(x+24)=9,1*(18-x) | | 10-3x-2x=-10 | | 12.5(22x-8)=-925 | | 1/3x+5=30 | | 30+3x+3x=180 | | 3x+1.4=2.6+5 | | 2x-3=15+2x | | -2+2y=-3(y-6 | | 3m²+8=15 | | 10d+4d-4-6d+6=-30 | | -47=-2x+7x+3 | | w²-18w+69=0 | | -4(2x-7)=-36 | | x+12+20=x+12+2 | | -2(y–8)+3=-5 | | 4m−2=−6 | | 0.4m-3/1.5m+9=-7/5 | | 78+3x+3x=180 | | 4x-16=2(2x-6)+8 | | 7=5x+3-3x | | 2|10a+10|−3=9 | | 9=6+3m | | x−7=−10 | | -28=-x/5 | | 5x+49=60-3x | | 10q+1=4q-2+6q | | 7x-11+4x+7=180 | | 2|10a+10|-3=9 | | 12(7x+3)=1380 | | 2n+6-5n=3 | | x-2+4x=43 | | 68+4x+4x=180 |

Equations solver categories