21-10x+9-2x=

Simple and best practice solution for 21-10x+9-2x= 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 21-10x+9-2x= equation:


Simplifying
21 + -10x + 9 + -2x = 0

Reorder the terms:
21 + 9 + -10x + -2x = 0

Combine like terms: 21 + 9 = 30
30 + -10x + -2x = 0

Combine like terms: -10x + -2x = -12x
30 + -12x = 0

Solving
30 + -12x = 0

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -12x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -12x = 0 + -30
-12x = 0 + -30

Combine like terms: 0 + -30 = -30
-12x = -30

Divide each side by '-12'.
x = 2.5

Simplifying
x = 2.5

See similar equations:

| x/4-13=-6 | | 8x^2-11x+10=0 | | 1yd+5yd= | | 3m(-4)+2m=5 | | 2v-54=-v | | 1(6-10)= | | x(6-10)= | | 4x-6y=-4 | | 6(1)-3y=-3 | | 2.5+4.3x=3.1x-1.5 | | x^2-56+x=0 | | x^2-56-x=0 | | 2x-g= | | -24+5x=8(8x-3) | | 5m^2+10m-80=75 | | 15x-7y=66 | | 2b^2+10b+15=3 | | 6x^2-3x+1=0 | | 3x+7y=38 | | 2a+3-6a=-21 | | k^2-24k+4=-2 | | 3x-8+x+1-4x+5x= | | -2x-y=-2 | | 1/4+6=-2 | | 7b-3+5-1b= | | 5/4x+2/9=-5/4 | | 4(1)-2y=10 | | X^2+10x+21/x+3 | | -w/4(w+3)=-12 | | 25+6=-2 | | 2(s+7)+3s=3(2s+12) | | 156x/60=-120 |

Equations solver categories