9+2x=21

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


Simplifying
9 + 2x = 21

Solving
9 + 2x = 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 + 2x = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 21 + -9
2x = 21 + -9

Combine like terms: 21 + -9 = 12
2x = 12

Divide each side by '2'.
x = 6

Simplifying
x = 6

See similar equations:

| 6(x+5)+3x= | | 4n^2-21n-18=0 | | x^2-6x-91=0 | | 2w^2+7w+3=0 | | 60=6(6-2) | | u^2+4u-15=0 | | 6x^2+-5x-4=0 | | 83-2x=4x+5 | | -40w-24=5w+6 | | 2x-5=-23 | | 4(3x+6)-7x= | | 8r^2-32=0 | | u^2+4u+17=0 | | 2x+x+(2x-550)=3400 | | 8x-2y=10 | | 2n-11=7 | | 30x^2-11x-2=0 | | -4t-36=5t | | 3.8-2.4n+2.7n=-2.2 | | -2y=4x | | 2n+6n-m= | | -10a+6=-7a+-9 | | u^2-13u-4=0 | | u^2-13u+28=0 | | 30+25x=205 | | 12b-75=513 | | 15n^2+25n=0 | | -2(a+8)=-2 | | 4x+10=2x-20 | | 6p^2(7p-7)=0 | | 1.2a+2.3=-0.5k+7.4 | | A=qt+t |

Equations solver categories