X+3+9=30

Simple and best practice solution for X+3+9=30 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+3+9=30 equation: 


Simplifying
X + 3 + 9 = 30

Reorder the terms:
3 + 9 + X = 30

Combine like terms: 3 + 9 = 12
12 + X = 30

Solving
12 + X = 30

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + X = 30 + -12

Combine like terms: 12 + -12 = 0
0 + X = 30 + -12
X = 30 + -12

Combine like terms: 30 + -12 = 18
X = 18

Simplifying
X = 18

See similar equations:

| 4(m+4)-2m=8m+48 | | 2x+(-14)=18 | | 3(x-4)=13-x | | 42.79=8g+3.75 | | 9.5-0.7x=3.9 | | -20=-40+r | | 6d-6+2=2 | | 40x^3-45x^2+56x-63= | | 3x+2x=9x+4 | | 2m+75=10 | | 2x+3(2-x)=10 | | 3z-4z+6z= | | x+5-2=3 | | -14x+16=-12x-12 | | -17+-25= | | 4.7=8.7-0.8x | | 3(4x-3)=2(6x-3) | | 3(4n+6)=-6 | | 16-2e=4e-5-e | | .3x+180=.4x+120 | | x-5x=7+5 | | -4b^4+16b^3-20b= | | 1200x=100 | | m=15n | | T=6.25+.12m | | 3(x-1)(x+2)=0 | | 8b-12=56 | | x-7+3=2 | | 30=6z | | 46+-0.75y*16+y*12=736 | | f(x)=2x+4x-4 | | 6x-7+6x=-55 |

Equations solver categories