9+4x+2x=21

Simple and best practice solution for 9+4x+2x=21 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 9+4x+2x=21 equation: 


Simplifying
9 + 4x + 2x = 21

Combine like terms: 4x + 2x = 6x
9 + 6x = 21

Solving
9 + 6x = 21

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 6x = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 21 + -9
6x = 21 + -9

Combine like terms: 21 + -9 = 12
6x = 12

Divide each side by '6'.
x = 2

Simplifying
x = 2

See similar equations:

| 2x-(6x+1)=9 | | 4x+2+6x=72 | | 4x+3=78 | | 0=a(1)+b | | x^12/3x^5 | | 2/7-5/9 | | 7x^2-9x+h=0 | | 7s+14=14 | | 0=a*0+b | | X(x-11)=60 | | 3x-5x+1=6 | | P=5+3qs | | 3-x-9=5x-15 | | 2(x-3)+1=6 | | (2+y)(2+y)=(10)(10)+(y)(y) | | 7(1+x)-14=28 | | (2+y)2=10(2)+y(2) | | x^7=0.0078125 | | (5u-2)(9+u)=0 | | tagx=(-3)^(1/2) | | x^2+4.7x=2.8 | | tagx(-3)^(1/2) | | m+10=3m-8 | | 32x=448 | | (14x-10)+4=10 | | m+10=3m-8findm | | 25=35-2f | | 7x+8y=38 | | 16X^2-96x-9Y^2+36-36y=144 | | 2s+44=0 | | 16X^2-96x-9Y^2-36-36y=144 | | 7+77x=33x+19 |

Equations solver categories