21+1x=9

Simple and best practice solution for 21+1x=9 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+1x=9 equation: 


Simplifying
21 + 1x = 9

Solving
21 + 1x = 9

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 1x = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = 9 + -21
1x = 9 + -21

Combine like terms: 9 + -21 = -12
1x = -12

Divide each side by '1'.
x = -12

Simplifying
x = -12

See similar equations:

| 7y-9=3y-15 | | 35x+20=40x | | z+30=42-z | | 12=m-n | | 8y+5=10y+1 | | x+-.0275x=100 | | p+36=48 | | (2x-67)+(x-17)+3x=360 | | 15=15y+2y | | 70=120/x | | 15y-2y-4y=63 | | 2(7x-22)=11 | | 20x+75=355 | | 6z+5=7-6z | | 9x-8=10x-16 | | 8x-3x+9x=126 | | 45=2(6-y)+17 | | x^2-3x-11=4x+7 | | 3x(-1)=12 | | 28+7x=9 | | 35=2x+5 | | 4y-13=y+1 | | 7x+27+9x-5=180 | | 4y-13=y-1 | | -11p^2=-44 | | z/n=-8-(-6) | | 144=12y | | -9x-17=39 | | 3(4y+7)=81 | | 5a^2=45 | | 15-x=3x-5 | | 3/4*x=24 |

Equations solver categories