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

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



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

We move all terms to the left:

3x-9-(-3(x-7))=0



We calculate terms in parentheses: -(-3(x-7)), so:

-3(x-7)

We multiply parentheses

-3x+21

Back to the equation:

-(-3x+21)



We get rid of parentheses

3x+3x-21-9=0

We add all the numbers together, and all the variables

6x-30=0

We move all terms containing x to the left, all other terms to the right

6x=30

x=30/6

x=5

See similar equations:

| 4z+2(z–4)=3z+11 | | -34=8(x-3)+2x | | 2(v+3)-5v=-15 | | -37=8(u-2)-5u | | 10x+x^2+5x+36=360 | | 25x=5.20 | | 3^2k+1=0 | | 27x+210=537.15 | | 31=6.2*k | | y^-3=64 | | 4+d=4+d | | 18−4b=2 | | 6k=10+6k | | 7c-1=6c | | x^2−4x−32=0 | | 2y^2+24y-170=0 | | 18886674454=9(9x+8) | | 4.x-(1+5x)=14 | | |7-9x|=-20 | | 4.x-(3+5x)=14 | | (2x+5+75)=180 | | 2x^2-32x+96=0 | | 3x=2x^02 | | H=-4.9t+35t+8 | | (x+10+59)=180 | | -5s=6−8s | | 9r+2=10r | | 5(3a+4)=55 | | -4c−1=-9−5c | | (222-111)+7x=x-1 | | 4v=2v+8 | | 5^{2x}=110 |

Equations solver categories