-7x+21=-9(x-3)

Simple and best practice solution for -7x+21=-9(x-3) 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+21=-9(x-3) equation: 



-7x+21=-9(x-3)

We move all terms to the left:

-7x+21-(-9(x-3))=0



We calculate terms in parentheses: -(-9(x-3)), so:

-9(x-3)

We multiply parentheses

-9x+27

Back to the equation:

-(-9x+27)



We get rid of parentheses

-7x+9x-27+21=0

We add all the numbers together, and all the variables

2x-6=0

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

2x=6

x=6/2

x=3

See similar equations:

| 9+3(x)=-6 | | `2x-8=-4x` | | 3+12=3x-6 | | 2(x-5)=4x-3* | | (x-5)+(x+35)+(1.4*x)+x=180 | | 10x+4-10=x+4x-8 | | 0.25(x+20)=4+0.75(x-8) | | 32(4x-1)-3x=54-(x+2) | | 2(5x-3)=5+(4x-2) | | (2x+7)=-48 | | n÷9876=1 | | (-18)-x=12 | | 2/3(x)+3/4=8 | | -7+10=9-7x | | +0.75x=-18.5 | | 9x+1=6x+5 | | 9=f/2+6 | | x-0.99=10-0.89x | | g/1.2=2 | | w/5-25=-22 | | 4-(3x+2)=6x+7-4x | | 2.1h-5.7-4.6h-4.6h=1.8 | | 100=8x+2(x+5) | | 3x-15-5x=4-2x-15 | | 4x-1/3x-7=7/4 | | 5.7m-8.9=40.69 | | 4=d/2.5 | | 93-2b=81 | | 5x+2+28=90 | | x^{2}-12x=45 | | -3+8x+85=9x-4 | | 2n+7=8n-15 |

Equations solver categories