21/3x=-21

Simple and best practice solution for 21/3x=-21 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=-21 equation: 



21/3x=-21

We move all terms to the left:

21/3x-(-21)=0



Domain of the equation: 3x!=0

x!=0/3

x!=0

x∈R



We add all the numbers together, and all the variables

21/3x+21=0

We multiply all the terms by the denominator


21*3x+21=0

Wy multiply elements

63x+21=0

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

63x=-21

x=-21/63

x=-1/3

See similar equations:

| 1c=5c-4 | | 3x12=5 | | 17n+23n+11.5n=44 | | 6(n–4)=2n+5n–7 | | 8(2x+2)-7=105 | | 6c+4-3c=17+2c | | 6h-17=4h-3 | | -13+d=19+9d | | -5(y-10)+20-3y=100 | | -17w=-20w+12 | | 625(x+10)-10=0 | | 13.56-19.5h=-20h+5.31 | | −3h−6(5h/3+7/2)+9h=−53 | | 4(-3-4n)-n=107 | | -4-3k=8-5k | | 35=y/2+12 | | -16j-18=-14j | | -13+11f+3f=12f+19 | | 16=3-t | | –3=–3(d+8) | | -5+10.6y=9.4y-17.12 | | -15n-16=-14n | | 3x+6+2x-5=2x+5 | | 4(x+2)=10x-25 | | -6+7b=6b-20 | | 4x+12+2(x-7)=-26 | | 100=-3(6+7x)-8 | | 30=2x=6 | | 2|b+4|=21 | | -3.5t+8.03=-10.8t | | 20+9t=-20-20-t | | 1/4(4x+12=32 |

Equations solver categories