7(x-3)+3(-x+4)-x=9

Simple and best practice solution for 7(x-3)+3(-x+4)-x=9 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 7(x-3)+3(-x+4)-x=9 equation:


Simplifying
7(x + -3) + 3(-1x + 4) + -1x = 9

Reorder the terms:
7(-3 + x) + 3(-1x + 4) + -1x = 9
(-3 * 7 + x * 7) + 3(-1x + 4) + -1x = 9
(-21 + 7x) + 3(-1x + 4) + -1x = 9

Reorder the terms:
-21 + 7x + 3(4 + -1x) + -1x = 9
-21 + 7x + (4 * 3 + -1x * 3) + -1x = 9
-21 + 7x + (12 + -3x) + -1x = 9

Reorder the terms:
-21 + 12 + 7x + -3x + -1x = 9

Combine like terms: -21 + 12 = -9
-9 + 7x + -3x + -1x = 9

Combine like terms: 7x + -3x = 4x
-9 + 4x + -1x = 9

Combine like terms: 4x + -1x = 3x
-9 + 3x = 9

Solving
-9 + 3x = 9

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 + 3x = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 9 + 9
3x = 9 + 9

Combine like terms: 9 + 9 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

See similar equations:

| 7(x+4)=(7x+28) | | 2x+10=3x | | -16x^2+32x+3=0 | | 85+(-125)= | | -9=5.17n | | 5a-5=2a | | 5f=75 | | -16t+32t+3=0 | | -(x-2)=8 | | 130+(-54)= | | -1.5*-1.5= | | 6-6(x-2)=3(x+1) | | 13(a-8)=-7-6 | | 6x-12x=19+4 | | 0.9+0.6x=3.9 | | 10x+-35=55 | | -3x-7=4x+5 | | -5+13=17x-3-16x | | 10+-35=55 | | 6*4-(7+7)=8/2+6 | | 6x+7.2-x=24 | | 0.75w-12=1.5w | | 10s+s^2+24= | | 8x=4x-3 | | D-5=21 | | 0.74w-12=1.5w | | x/3+10=30 | | 6=10y+14 | | 4x+1=2x-11 | | y=40+0.8y | | 18+4y-2=17y-14-3y | | 3x+45+(-2x)+x=-3 |

Equations solver categories