3(x-1)+x=15

Simple and best practice solution for 3(x-1)+x=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 3(x-1)+x=15 equation: 


Simplifying
3(x + -1) + x = 15

Reorder the terms:
3(-1 + x) + x = 15
(-1 * 3 + x * 3) + x = 15
(-3 + 3x) + x = 15

Combine like terms: 3x + x = 4x
-3 + 4x = 15

Solving
-3 + 4x = 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 + 4x = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 15 + 3
4x = 15 + 3

Combine like terms: 15 + 3 = 18
4x = 18

Divide each side by '4'.
x = 4.5

Simplifying
x = 4.5

See similar equations:

| x+3=33/10 | | x+4/9=13/9 | | 2+x=19/10 | | x/3=4/5 | | f(x)=1 | | x+2/9=65/9 | | x+5=47/9 | | 4+x=35/8 | | x-1=-3/5 | | x+4/5=24/5 | | 76=12+4S | | 5(2-x)=3(x+6) | | x+7/9=-29/9 | | -65/12=x-6 | | 3/4+x=7/4 | | 5/7x=-45/7 | | 1+x=1/2 | | 7/4=x+3/4 | | 92=Y+28 | | x/-4=-1 | | -65/11=x-5 | | x/-4=-1/2 | | x+10=116/11 | | 7y+7=19y-3y+61 | | x-5/8=-1/8 | | x+1/7=15/7 | | 1+x=13 | | x+7/9=29/18 | | 133/88=x+7/8 | | -1/3+x=-17/15 | | 3/4C=36 | | 9u-30=5u-6 |

Equations solver categories