2x+15=21-x

Simple and best practice solution for 2x+15=21-x 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 2x+15=21-x equation:



2x+15=21-x
We move all terms to the left:
2x+15-(21-x)=0
We add all the numbers together, and all the variables
2x-(-1x+21)+15=0
We get rid of parentheses
2x+1x-21+15=0
We add all the numbers together, and all the variables
3x-6=0
We move all terms containing x to the left, all other terms to the right
3x=6
x=6/3
x=2

See similar equations:

| -3(2y+3)=-6Y+9 | | x+7-15=37 | | 1/x+8/(x+9)=1 | | 1/x+8(x+9)=1 | | 3•n=18 | | 12-3(3+3x)=12-8x | | 0=4x+64x | | 25m^2+5m-6=0 | | 43=c7+ 36 | | -0.8h+12=+12 | | 0.8h+16=-0.8h+16 | | –2x+7=11. | | 1/3(6x+24)=-1/4(12x-72)+20 | | x+20x+12=0 | | 5(5y+3)=4 | | (2x-1)/(3x+1)=5/10 | | |3-x|=10 | | 1296=2^x3^x | | -x-3(-4x+10)=7+2(3x+9) | | 0.4(0.2x-0.3)=0.2(x-3) | | 3^(x+2)-3^(x)=72 | | 9x=6+12x | | 2^(5x+1)+5^(2x+2)=1250 | | 25^2x=125^x-1 | | 72=4x+7 | | 20x+8x=644 | | x=Y2X+Y=120 | | 8+×=y×3=57 | | 3(x-4)=4-2(x-2) | | 2(x-7)=5(x+3)-x/ | | -10-5n2=330 | | -1015n2=60 |

Equations solver categories