x*21=84

Simple and best practice solution for x*21=84 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 x*21=84 equation: 



x*21=84

We move all terms to the left:

x*21-(84)=0

Wy multiply elements

21x-84=0

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

21x=84

x=84/21

x=4

See similar equations:

| 9y+-10y=-8 | | c/2+5=-3c–9 | | 5a-6+(-3a)=13-7(-7) | | 15r-13r-2r+3r-r=6 | | 10y=15y+15 | | 5a-6+(-3a)=13-(-7) | | 13x-8=10x=5 | | 2=7(x+4)+9× | | 4m-8m+-11=-15 | | 5t+t+t-2t=5 | | 6r-2r-3r=11 | | 3(k−7)=6 | | 2^3=1^3(x-4) | | 21=31-5f | | -3(x-12)=-30 | | 5x-4=75 | | 3(k-66)=42 | | (x-14)-7=-182 | | √x+√5=√x+5 | | (x-14)x-7=-182 | | 12x-4=(-8) | | 43x=-57 | | 5/n=15 | | Y=2,5x+7=6 | | |3x−1|=4x+7 | | 3/4x+3-2/3x=5/6 | | 12=f/5 | | 3/4x+3-2/3x=2+5/6 | | 3/4+3-2/3x=25/6 | | 7m+3=5m+11. | | 2.5=n/10 | | 5/3x+1/3x=13/3+7/3x |

Equations solver categories