2x+5+8=21-x

Simple and best practice solution for 2x+5+8=21-x 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 2x+5+8=21-x equation:


Simplifying
2x + 5 + 8 = 21 + -1x

Reorder the terms:
5 + 8 + 2x = 21 + -1x

Combine like terms: 5 + 8 = 13
13 + 2x = 21 + -1x

Solving
13 + 2x = 21 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
13 + 2x + x = 21 + -1x + x

Combine like terms: 2x + x = 3x
13 + 3x = 21 + -1x + x

Combine like terms: -1x + x = 0
13 + 3x = 21 + 0
13 + 3x = 21

Add '-13' to each side of the equation.
13 + -13 + 3x = 21 + -13

Combine like terms: 13 + -13 = 0
0 + 3x = 21 + -13
3x = 21 + -13

Combine like terms: 21 + -13 = 8
3x = 8

Divide each side by '3'.
x = 2.666666667

Simplifying
x = 2.666666667

See similar equations:

| 11v-11v+5v-3v=18 | | 4x-10x=6 | | 0.15(80)=c | | 14g+(-13g)-8g+(-12g)+17g=20 | | 6x^2-24x+6=0 | | -4(-j+k)= | | 0=20+80x-16x^2 | | 273=11d+42 | | 18a-3a+(-7a)+5a+(-14a)=11 | | y+12=-20 | | 3y-22+10y=6+11y-8 | | m^2+8m=65 | | 0=20+80x-16t^2 | | (2x-6)(-3x+5)=0 | | 4u+2u+2u-7u-1=10 | | 4(2+3r)=-4 | | 3.5v+8=1.25-v | | (-14d)+13d+(-9)=8 | | 4p^2+17p+4=0 | | 3x-15=123 | | 6n-5n+4=19 | | 9(x+3)=3x-3 | | 12b-12b+5b-2=13 | | -10=.75(4n-8) | | 7n+14=9n | | 5p-2p+3=9 | | -19+(-7)= | | 5m-2m-3= | | 5n+3n-7n-1=15 | | (1+7x)-6(7-x)=36 | | a+22=89 | | 14u+(-20u)=-6 |

Equations solver categories