7x-9-2x=21

Simple and best practice solution for 7x-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 7x-9-2x=21 equation:


7x-9-2x=21

We simplify the equation to the form, which is simple to understand 
7x-9-2x=21

We move all terms containing x to the left and all other terms to the right. 
+7x-2x=+21+9

We simplify left and right side of the equation. 
+5x=+30

We divide both sides of the equation by 5 to get x. 
x=6

See similar equations:

| 7+0.20x=5+.30x | | -2+5n=2n+4n | | 3(x-1)-2(x-3)=9 | | -262+30c+c^2=0 | | 5(2x+3)-25=0 | | (X+8)(x-8)=-15 | | 0.5x+12=2x+18 | | (X+8)(x-8)=15 | | 8x-2=3(x+1) | | 2y^2-9y-18= | | 7/8+6/5-= | | 4[3x-(4x+6)-5]=-(3x+48) | | n+14=87 | | 1-3X^2+10=7 | | 3x-9=-677 | | 3.4v=9 | | 4cx-8=2 | | -2y=-3x+8 | | 2a+3a+7=-41 | | x(x-2)-10x=-36 | | 2-3(x+4)=14 | | 16x+9=8x+45 | | 6x+9=8x+45 | | 4.5=15 | | 20x+7y=4000 | | 3x+6y=16 | | 6x+9=8x+49 | | 10a=9a+1 | | 37=6f-5 | | 7=-13+9 | | 4183=47(p+25) | | p=80+-0.04x |

Equations solver categories