3-6x+4x=21

Simple and best practice solution for 3-6x+4x=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 3-6x+4x=21 equation: 


Simplifying
3 + -6x + 4x = 21

Combine like terms: -6x + 4x = -2x
3 + -2x = 21

Solving
3 + -2x = 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 + -2x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 21 + -3
-2x = 21 + -3

Combine like terms: 21 + -3 = 18
-2x = 18

Divide each side by '-2'.
x = -9

Simplifying
x = -9

See similar equations:

| 4b-7+9b=17 | | 2x+16=z/5 | | (x+7)=(4x-8) | | 3x=(x+y) | | 3x=3(x-1) | | 1/4x=3/20 | | -3(-4+6x)=12 | | 18=x/4 | | 2x+16=z/5x | | q=12+-2p | | 5x^2-3x-103=7 | | 6+5/9 | | -3x=(5-2x) | | 2m-5=25 | | 5x-7x= | | 5(7x+6)=26+7x | | -2x=(x+4) | | 9z^2-18z+8=0 | | 3(8+2x)=90 | | 4x^3+24x^2+32x=0 | | -2(3x-3)+8x-4= | | -2(8n-3)=-106 | | -3x-6-8x=12-3x-7 | | -2(x+5)=6-2x | | 8k+80=4k | | 19-5/x=34 | | (3)(2)+5/9 | | -2k-2(7k+2)=-(4+4k) | | 8.5/25.52 | | -108=-4(7v-8) | | 8-(2k+2)=-26-6k | | 3(x-7)=21+3x |

Equations solver categories