21x=x-13

Simple and best practice solution for 21x=x-13 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 21x=x-13 equation: 


Simplifying
21x = x + -13

Reorder the terms:
21x = -13 + x

Solving
21x = -13 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
21x + -1x = -13 + x + -1x

Combine like terms: 21x + -1x = 20x
20x = -13 + x + -1x

Combine like terms: x + -1x = 0
20x = -13 + 0
20x = -13

Divide each side by '20'.
x = -0.65

Simplifying
x = -0.65

See similar equations:

| sqr(x^4-5x^2-2.5x)=x^2-5 | | 4x+36=2x+40 | | 12i-(2i+3)=65 | | 2x-21=93 | | 7.7(x-4)=0.3x+33.2 | | -8=-3+u | | R=2s+3 | | 19p-8p+3p-10p=16 | | 1=2p-1 | | sin(2x)=-10cos(x) | | 4x+8-6x+12=3(x+7)-5x-1 | | -1=1x/4-3 | | -3=-3+u | | -7m=21 | | 3z+4z=6z+4 | | -7(x+9)=9(x+5)-14x | | 79-x=92-2x | | (2x-70)(x+30)=180 | | -3d+25+d+21=2 | | 6(x-2)+8=3(2x-4) | | -8x-29=-4(x+2)-7x | | 3-8=-6 | | 6(h-5)+11=47 | | 4(x-3)=4x+44 | | 3(x+0.2)=8 | | y/(y^2-y) | | 9x+25=34 | | 2x-6-3x=5x-(4x+2) | | 48=28a-a^2 | | (K-2)x^2-2kx+k+2=0 | | w*6=w+14 | | 1+3(5x-10)=16 |

Equations solver categories