3x+2x=9+12

Simple and best practice solution for 3x+2x=9+12 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 3x+2x=9+12 equation: 


Simplifying
3x + 2x = 9 + 12

Combine like terms: 3x + 2x = 5x
5x = 9 + 12

Combine like terms: 9 + 12 = 21
5x = 21

Solving
5x = 21

Solving for variable 'x'.

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

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

See similar equations:

| 7-3(2x-1)=4x-2x+5 | | X^3-12X^2-3X-2=0 | | -4k^2+12k+16=0 | | 4x+8x=3-5 | | 5x-3x=-2 | | f(7)=3x^2+2x+7 | | in(x)+in(x+2)=1 | | 3[m+2]=m+14 | | 1v=2 | | -3x^2+14x-16=0 | | 2(12-3y)=6 | | -18f=-69 | | 2x+2y=4x+5y | | x=210437.5-x(0.25) | | (x)-(-9)=3 | | x-8/3=x-3/5 | | px^2+2px-2x+1+p=0 | | 8x-12y=9 | | 6v+4(2v+1)= | | f(x)=5+7x | | 5*(a-3)=215 | | 3(x-1)+1=49 | | 2log(6)4x=0 | | X-2x+5-m=o | | 3a(b+2c)= | | 3x-3(1+7x)= | | F(x+1)=3x^2-x-4 | | 4x+4-2.5x=7 | | 4x-2.5x=3 | | 9w^4-81w^2+153=0 | | 2-y/y+7=3/5 | | 4x-11=2x-1 |

Equations solver categories