7x-9+2x=18

Simple and best practice solution for 7x-9+2x=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 7x-9+2x=18 equation: 


Simplifying
7x + -9 + 2x = 18

Reorder the terms:
-9 + 7x + 2x = 18

Combine like terms: 7x + 2x = 9x
-9 + 9x = 18

Solving
-9 + 9x = 18

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 + 9x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 9x = 18 + 9
9x = 18 + 9

Combine like terms: 18 + 9 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

See similar equations:

| 4x^3-5x^2-18x-9=0 | | 66x+48=10x+12 | | 18m+15=18 | | 4x-2(2x-8)=6(2x-9)+8x | | y(x^2-y^2)dy-x^3dy=0 | | =12w^2+30w-4 | | 12=-3x+5x-8 | | 3x/5/2x^3/10 | | 8.00(4.00+m)=72 | | x+x+2x=210 | | -4x^2+15x+7=0 | | 3x-57=0 | | 3m-0.5=0.25m+3 | | Y=-5(x-6)x^2+180 | | 8.00(4.00+m)= | | 8x+3y+(-3y)+(-10x)= | | 1/15(a-5)=1/9(4-a) | | 2x-.5y=30 | | 9x=12x-27 | | y*(x^2-y^2)dx-x^3dy=0 | | x^2+y^2-4x-2y-15=0 | | h+4=-7 | | -1/4h=10 | | 1(3+m)= | | t=65+24.99*2 | | Y(1+1+1)= | | 6p-12+4=4+12 | | 3(12-2x)=12 | | 2(3-2x)= | | 7x^2+24x+9= | | t=100+15*20 | | 5=-7m-9 |

Equations solver categories