-21=3(4x-5)

Simple and best practice solution for -21=3(4x-5) 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=3(4x-5) equation: 



-21=3(4x-5)

We move all terms to the left:

-21-(3(4x-5))=0



We calculate terms in parentheses: -(3(4x-5)), so:

3(4x-5)

We multiply parentheses

12x-15

Back to the equation:

-(12x-15)



We get rid of parentheses

-12x+15-21=0

We add all the numbers together, and all the variables

-12x-6=0

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

-12x=6

x=6/-12

x=-1/2

See similar equations:

| g–6=2 | | 9x-25=6x+7 | | 4.2+b=-14 | | 35=9x-10 | | 2.21/10n=11/6 | | 1/6(x+4)=27 | | -5+3(5)=2x | | 4(2x-3)=+8x+2 | | −4x−12=120 | | 5.6(9-3)=-0.4x+19.2 | | 17-7y=-2 | | -4+m=20 | | 5.6(6-3)=-0.4x+19.2 | | -2=2x+2-3x | | 5x=5.70 | | 5.6(8-3)=-0.4x+19.2 | | 33-k=15 | | 200x-x^2=40x+3375 | | 1.51/2+x=6 | | 5.6(5-3)=-0.4x+19.2 | | 8*p=40 | | 540=(x-2)180 | | -8n+16/2=32 | | 2x^2+4x=188 | | 0.6=0.5+t | | -1/2=-4/7y-2/3 | | v/7=-52 | | 3x+13x-8+7x+4=180 | | x=90+8x | | 20=2(3n+1) | | 18x+3=9x+84 | | 41x+70=41x+93 |

Equations solver categories