8x+3-2x=21

Simple and best practice solution for 8x+3-2x=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 8x+3-2x=21 equation:


Simplifying
8x + 3 + -2x = 21

Reorder the terms:
3 + 8x + -2x = 21

Combine like terms: 8x + -2x = 6x
3 + 6x = 21

Solving
3 + 6x = 21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 6x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = 21 + -3
6x = 21 + -3

Combine like terms: 21 + -3 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

See similar equations:

| 110=38.97+0.50x | | 5(h+2)=10 | | -85=43y+72-42y | | 2.5h+-15=4h | | 7(x+8)-19= | | 18x^2-35x+1=0 | | 3x+8=6x+1 | | 6y-3=7+6y | | 100=39.43+0.25x | | 2x-9=5x^2 | | 4(3w-9)+51=-3(w+15) | | 3x+x=4x+2 | | N=5st^2-2sx | | 9x^2+4y^2-72x-24y+144=0 | | 25-5*2= | | 5(h+3)=-28 | | 8x=46-14 | | 3=y+.5y | | 0=(6x-18)(3x+2) | | 12m+m= | | (6x+4)+10x=180 | | 90=39.21+0.50x | | 22p-7=11(2p-3)+21 | | -34=p+42-5p | | 8=5t | | 4x^2-8kx=0 | | x+3=2.5x | | 1+7*4= | | 0=65x^2+212x-133 | | 16+x=94 | | D+(-17)=32 | | 5z^2-13z=6 |

Equations solver categories