20x+21=12x+13

Simple and best practice solution for 20x+21=12x+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 20x+21=12x+13 equation:


Simplifying
20x + 21 = 12x + 13

Reorder the terms:
21 + 20x = 12x + 13

Reorder the terms:
21 + 20x = 13 + 12x

Solving
21 + 20x = 13 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
21 + 20x + -12x = 13 + 12x + -12x

Combine like terms: 20x + -12x = 8x
21 + 8x = 13 + 12x + -12x

Combine like terms: 12x + -12x = 0
21 + 8x = 13 + 0
21 + 8x = 13

Add '-21' to each side of the equation.
21 + -21 + 8x = 13 + -21

Combine like terms: 21 + -21 = 0
0 + 8x = 13 + -21
8x = 13 + -21

Combine like terms: 13 + -21 = -8
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

See similar equations:

| x-28=5x+4 | | x=27-(x/2) | | 3(m-2)-5=8-6(m-4) | | 3ln(x)+3=1 | | 4x+3-25x=-(14x-7)-1 | | -5e-2=18 | | 188=2x-28y-x^2-y^2 | | 7a+4.75=10 | | 7+4.75=10 | | 49=(-7k) | | 2p-6p-7p+22= | | 4z/7-4=10z= | | x^2+8x+y^2-2y=64 | | (2/5)*n=4 | | 2(-6+1)=-130 | | 2zx^2+5z-1=0 | | -5(x-4y)+10x-8y= | | 2mx=2/3 | | -2x+4y=56 | | 34x+14=30x+20 | | x^2-2x+y^2=80 | | 9x+12+20x-5=210 | | xsquared+5x-7=0 | | 2x+3x+4=5 | | 5j+4g+2(3j-2g)= | | 7(8+5x)=406 | | 33+11x+4x-2=169 | | 4613/1747 | | log(4)5=log(4)10+log(4)x | | 6log(x-3)=10 | | 12m+8(3m+10)= | | -6x-6=14y-x^2-y^2 |

Equations solver categories