x+21+x+21=-2

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


Simplifying
x + 21 + x + 21 = -2

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

Combine like terms: 21 + 21 = 42
42 + x + x = -2

Combine like terms: x + x = 2x
42 + 2x = -2

Solving
42 + 2x = -2

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 2x = -2 + -42

Combine like terms: 42 + -42 = 0
0 + 2x = -2 + -42
2x = -2 + -42

Combine like terms: -2 + -42 = -44
2x = -44

Divide each side by '2'.
x = -22

Simplifying
x = -22

See similar equations:

| Cosx=1.8 | | .2(x)=384 | | 2x-2-3x+3=0 | | 18w-9w=36 | | 3(x+11)=51 | | -x+3(x-1)=2(x-1)-2 | | .65(180)=x | | 48=8x^3 | | -2(4s-3)-9=-2(8s+1)-3 | | 9.6(x)=25.8 | | 20x+60=35x+15 | | 2log4x=log9x/2 | | x-(-27)=42 | | v=(1/3)3,14*10*15 | | Log(4x²)=log(9x/2) | | a+20=40 | | F(x)=4x-6x-3f(-5) | | -13=5(1/4m)-2m | | .8(x)=48 | | 5y+16=10y-21 | | Log4x²=log9x/2 | | 21=m+2 | | p-5.5=.4p | | 0.17y+0.06(y+9000)=2150 | | .85(360)=x | | x+(0.04x)=1998 | | -4(x+6)=-3-4x | | X-3*9=18*10 | | x+(0.04*x)=2000 | | 4x+8=360 | | 2(4y-2)=28 | | -3x-2y+5-[-x+x(2-x)]= |

Equations solver categories