2x+x+3=15

Simple and best practice solution for 2x+x+3=15 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+x+3=15 equation: 


Simplifying
2x + x + 3 = 15

Reorder the terms:
3 + 2x + x = 15

Combine like terms: 2x + x = 3x
3 + 3x = 15

Solving
3 + 3x = 15

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 15 + -3
3x = 15 + -3

Combine like terms: 15 + -3 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

See similar equations:

| -2d=4d-42 | | h=-16t^2+70t | | 2(3x+7)=4(7-2x) | | 1=-0.25x+5+0.75x | | (-45+97)-(45)= | | p^2+14p-38=0 | | 4x+y=3 | | 2a+11=1 | | 22-4-z=4 | | 24-10b=9 | | 4x+y=h | | 2x-(x-7)=12 | | -5b-6=11 | | x^2+14x-15=0 | | 9x-6x= | | .33(6-x)=-1 | | 5x(3-2.4)= | | 4(2t-5)+3t=40-t | | (-28-95+85)+(-62)= | | 2v^2-v+12=-3v^2+6v | | 1296-b^4= | | 5y-22=3y | | -5-2n+12=7 | | 4+x-2(x-6)=8 | | -57+10x=75+4 | | 8z+6=7z+8 | | 7x+2=138 | | 59-4x=5x+15 | | 11=2 | | 9-9x=129-37x | | -(x-1)=-2(5+x) | | -14-10x=7x+20 |

Equations solver categories