4x+21=7x+12

Simple and best practice solution for 4x+21=7x+12 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 4x+21=7x+12 equation: 



4x+21=7x+12

We move all terms to the left:

4x+21-(7x+12)=0

We get rid of parentheses

4x-7x-12+21=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

See similar equations:

| 8z=z+70 | | 4x+9x=0 | | w/10+11=16 | | w10+11=16 | | 48=x-23 | | 7x+x+4=-x+8x+6 | | 12=–3+3z | | 6x=1=9x-23 | | x-8=47-4x | | 7+8x+1=5x+19+2x | | k/2-4=-12 | | 3k-30=9k-18 | | x+22=49 | | x/5.1-2=6 | | -y+48=173 | | 6v-30=10v | | 4y=y+54 | | 86=207-x | | -18+n/6=n+7 | | 4(x-4)/(x^2+2x-8)=4/x+4 | | 3x-4+9x-54=180 | | 86=-u+272 | | (1+2x)73=360 | | 3x-4=9x-54 | | m/2-6=5 | | -4x+6=x-19 | | -4-x/3=-3 | | 3n+16=34 | | 7(4n+2)-8n=10 | | 44+7x+12=180 | | 4x+4=-5=2x=19 | | 6x+5=3+4x+20 |

Equations solver categories