21=x-12-13+2x

Simple and best practice solution for 21=x-12-13+2x 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=x-12-13+2x equation:


Simplifying
21 = x + -12 + -13 + 2x

Reorder the terms:
21 = -12 + -13 + x + 2x

Combine like terms: -12 + -13 = -25
21 = -25 + x + 2x

Combine like terms: x + 2x = 3x
21 = -25 + 3x

Solving
21 = -25 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + -3x = -25 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + -3x = -25 + 0
21 + -3x = -25

Add '-21' to each side of the equation.
21 + -21 + -3x = -25 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = -25 + -21
-3x = -25 + -21

Combine like terms: -25 + -21 = -46
-3x = -46

Divide each side by '-3'.
x = 15.33333333

Simplifying
x = 15.33333333

See similar equations:

| x+y=-2fory | | 21=x-12-13-3x | | a+b=0.448 | | -10=-11-12-3x | | 9x-6=3x+x-12 | | 7n=54 | | 2(3.14)4= | | -31=x-8-14+5x | | 19=x-5-2x | | -12=-8-20+8x | | 6a-7whena=-13 | | 17+(-x)=.33*15+6 | | (e-5)*2=14 | | 4f=240 | | x^2+144+49=x^2+169 | | 25a+7=26+3 | | 10x-5ty+4=0 | | 4w^4(2-8w^5)= | | x^2+144-x^2-169=49 | | x^2+5x-156=180 | | 15=n(n-3)/2 | | 5x-1+8=-32-5x | | 2(2+X)-(6-7x)=13-(1+4X) | | 36t^2+36t+9=0 | | 5x=8-(-3x)-15 | | (n-2)=3(6+n) | | -36z^5+48z^4+20z^3= | | p/16=8 | | 3(x+8)=4x+5 | | 6-5(2+x)= | | 4a-8=5a-4 | | 6a+8-8a=22 |

Equations solver categories