10+2-x=21

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


Simplifying
10 + 2 + -1x = 21

Combine like terms: 10 + 2 = 12
12 + -1x = 21

Solving
12 + -1x = 21

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 21 + -12
-1x = 21 + -12

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

Divide each side by '-1'.
x = -9

Simplifying
x = -9

See similar equations:

| y+1=3y+9 | | 0.08(y-5)+0.06y=0.04y-0.7 | | 2w-8=3(w-3)+w | | 2x+64=7 | | -5(y+6)+3y=12 | | y+1(1)=y+3(3) | | 15.00+24=249.00 | | 5x+2y=230 | | 5(x+4)=-10 | | 0.6(4x+8)=1.2-(x+2) | | 12y/32y^2 | | 3x+8=5+8x | | -7(2t+2)=0 | | 9r+10x= | | 20y/28y^2 | | 2y+4=30 | | -12x^2+2x+2=0 | | 4(f-9)=-40 | | -10(s+1)=-58 | | (2y-11)(y^2-3y+2)=0 | | 3x-5(x-4)=-7+2x+11 | | a+3n+(3a-b)i=6+6i | | 3x-5(x-4)=-6+5x-23 | | 0.25(8x+16)= | | (b-4)(3b-1)=0 | | 5/p=3/11 | | 5x+8=6x-4 | | y=1500 | | 0.2n=3 | | 15.3=0.7-4y | | 7n^2+0.12=1.24 | | 6/21=2x |

Equations solver categories