5x-(x+3)=21

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



5x-(x+3)=21

We move all terms to the left:

5x-(x+3)-(21)=0

We get rid of parentheses

5x-x-3-21=0

We add all the numbers together, and all the variables

4x-24=0

We move all terms containing x to the left, all other terms to the right

4x=24

x=24/4

x=6

See similar equations:

| F(X)=5x+5x-2x-4 | | 42+9m=114 | | 3-7d=18 | | 5x-12(2x+24=180 | | 2t-6=-4t | | 5x-122x+24=180 | | (3x)^2-(2x)^2=125 | | 17n-14=105 | | -10-5h=-6h | | -7-9w=-10w | | 2a+3+a=48 | | t=12+0.25 | | (x+5)-8=2(x-8) | | y=4.5-15 | | 14x-146=6x-10 | | 9•20=(x-2)(x+6) | | 59+(3x+1)=180 | | O.25+1.5=n+0.25 | | 5-9d=-10d | | 4z+4=6z-5 | | 9x20=(x-2)(x+6) | | -3g-9=3 | | 7q-35=4q+4 | | 〖45x〗^2-6x-24=0 | | 6y^2−7y+2=0 | | -16x+4x=-32+18x | | 6y2−7y+2=0 | | |x-3|=-9 | | 6(3x^2)=4x^-2 | | 9z=25 | | 3y=12-12 | | 3x+3=3(x-9) |

Equations solver categories