21=-3x-2(x+12)

Simple and best practice solution for 21=-3x-2(x+12) 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-2(x+12) equation: 



21=-3x-2(x+12)

We move all terms to the left:

21-(-3x-2(x+12))=0



We calculate terms in parentheses: -(-3x-2(x+12)), so:

-3x-2(x+12)

We multiply parentheses

-3x-2x-24

We add all the numbers together, and all the variables

-5x-24

Back to the equation:

-(-5x-24)



We get rid of parentheses

5x+24+21=0

We add all the numbers together, and all the variables

5x+45=0

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

5x=-45

x=-45/5

x=-9

See similar equations:

| N/3=n+9 | | 36=-8v+3(v-3) | | 8x^2-19x=2x^-x | | 3(4x+2)+3(5x+7)=-144 | | 7y/12-5=9-3y/4 | | 7/6x-x=490 | | 19+5d=-17+d | | 2=2x-0 | | X+3+8=20-4x | | -16x=16x+6 | | X*35*x*35=360 | | -13.1f+9.33=11.85-9.5f | | 6n-5=4n+11 | | 1x=x+300 | | 3.8x-5.9x=223.1 | | 13=6(u+4)+5u | | 11n-17=-11n+5n | | 4a/5+3/5=6/5 | | 5n+18=6n+n | | 580.00=p-0.30p | | -12+8x=8+6x | | 2x+2/7=4/28 | | -9x+30=2(x-1)+33 | | -10+8x=-4+2(x-12) | | 2-2x=8x-4 | | 2x+3(6-2x)=-48 | | x-0.20x=494.80 | | 900=-2x500 | | 90x+75x=1320 | | x^2-5x+4x-12=1200 | | 3a-2=3(a+1)+7a+4 | | -2(6x+3)=2x-8 |

Equations solver categories