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

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



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

We move all terms to the left:

-21-3x-(-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+21-21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

See similar equations:

| (16+2x)(24+2x)=1008 | | -5(x+2)-10=16+4 | | -13-5x=-(1+7x)+6x | | M|N+5m=20 | | -3|v+2|=-33 | | 1/37=n | | (20+2x)(26+2x)=1672 | | (16+2x)(28+2x)=1564 | | 0.1(0.5m+6)=3 | | 11+7-w=15 | | (5+x)^2+8=16 | | 2(3x+10)=-8 | | 4x+0.6x=100 | | (18+2x)(26+2x)=1428 | | -12-5x=-(1+7x)+6x | | 12=4(r-3) | | 3(x)+2=5-9(x) | | 13=1+2b-4b | | 3x+4+2x-9=45 | | -3(-4-x)=-x-2(-x+7) | | 11a-(2a-1)=118 | | 5(3x-12)-12=6 | | 4v-2/8=2/3 | | -4=-17+x/3 | | x+11x=108 | | 5x+8−x=20+4x−12 | | 7p+4+5p+2=90 | | 4•a=34 | | n+(-4)=6 | | 8(j+5)=12j | | 17=z+15223 | | 8(p-5)+(p-8)=5p-2p |

Equations solver categories