5x+3=x+21

Simple and best practice solution for 5x+3=x+21 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 5x+3=x+21 equation:


Simplifying
5x + 3 = x + 21

Reorder the terms:
3 + 5x = x + 21

Reorder the terms:
3 + 5x = 21 + x

Solving
3 + 5x = 21 + 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.
3 + 5x + -1x = 21 + x + -1x

Combine like terms: 5x + -1x = 4x
3 + 4x = 21 + x + -1x

Combine like terms: x + -1x = 0
3 + 4x = 21 + 0
3 + 4x = 21

Add '-3' to each side of the equation.
3 + -3 + 4x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = 21 + -3
4x = 21 + -3

Combine like terms: 21 + -3 = 18
4x = 18

Divide each side by '4'.
x = 4.5

Simplifying
x = 4.5

See similar equations:

| 4-4x=-36 | | 2x+3+5x=-11+6x | | 3(13-5)-12=2(13-6)+3 | | 3w+5y+11x+2x-12y+4w= | | 7/8b-3=-15/16b+2 | | 10.3m=10.3m | | Y=-7/8(-7.6154)-7 | | -4(2*-3)=2x+11 | | 12=-2z+6z | | 3/5z-14=25 | | 4+3*x=5*x | | 9x=7x+7 | | r+7/2=-14/3 | | 32n+9=-23 | | =9+5(t+9)+5+t | | 60-6x=4x | | ax+b(y)=c | | x+3x-50=650 | | 3/4(4x-24)=45 | | 4(3a-5)-5a=7(a-8)-5 | | (4k+3)-3(k-7)=0 | | -20+21=m-3 | | -10=10(9-k) | | X*-3x=0 | | 12100/2=x | | 33(d+5)=23 | | 3+m=9 | | 2(x+8)-11= | | r-13=19 | | 1783.60/0.70 | | 3*2+2*-3+8/-2 | | 3(5x-5)-3(2x-6)=2(4x+3)-1 |

Equations solver categories