X+(x+3)=18

Simple and best practice solution for X+(x+3)=18 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 X+(x+3)=18 equation:


Simplifying
X + (x + 3) = 18

Reorder the terms:
X + (3 + x) = 18

Remove parenthesis around (3 + x)
X + 3 + x = 18

Reorder the terms:
3 + X + x = 18

Solving
3 + X + x = 18

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 + X + -3 + x = 18 + -3

Reorder the terms:
3 + -3 + X + x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + X + x = 18 + -3
X + x = 18 + -3

Combine like terms: 18 + -3 = 15
X + x = 15

Add '-1x' to each side of the equation.
X + x + -1x = 15 + -1x

Combine like terms: x + -1x = 0
X + 0 = 15 + -1x
X = 15 + -1x

Simplifying
X = 15 + -1x

See similar equations:

| -2x+4=3(2x+4) | | (x+1)*3x^2= | | 5(z-5)-z=4z-20 | | -13-5x=7+9x | | 3X-7-6+2X=0 | | 2(x+3)-4=-x+20 | | -x-28=2(x-5)-6 | | 3(x+3)=-x+41 | | 4(2x+5)=5x-1 | | 5(x-1)-7=38 | | 2(x+1)=-2x-14 | | -5x-31=-2x-34 | | 2sin(x)+3cos(x)=1 | | 5x+2=3(2x+3) | | 34=3(x+2)-2 | | 8x^2+0.07x=0.07 | | -24=4(x-5) | | 11x-26=4x-19 | | -x-9=-4x+27 | | 4(2x-5)+7=-4x+23 | | (12x)=1 | | -6x-16=-5x-24 | | 6x+17=x-3 | | 0.5=0.75x^2-t^3/3 | | 500x=200y | | 1.5x+4=13.2-1.2x | | 7=-12-h | | 3xy-6x= | | 5c=6+2x | | 2q^2+2q-1=0 | | 3x+45=45 | | 2(3-1/3x) |

Equations solver categories