21*19=x

Simple and best practice solution for 21*19=x 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*19=x equation: 



21*19=x

We move all terms to the left:

21*19-(x)=0

We add all the numbers together, and all the variables

-1x+399=0

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

-x=-399

x=-399/-1

x=+399

See similar equations:

| 7s-14=6s-26 | | x+2=-7x+2=−7 | | (y-10)+4y+20=180 | | 3/2y-6+4y+1=-3 | | 20x+10=430 | | 2(2x+x)-x=45+x | | 3(x-1)-x=45+x | | x*0.2=100 | | 40*2b=100 | | 2x*2+x=3 | | x-3=4+1 | | 2n*3-32n=0 | | (4b-3)-(3-2b)=3- | | 5(3x-7)-1=4(2x-9) | | x-0.5x=42 | | 14/3b=5 | | 2(10−7b)+3b−4(2−4b)+4=-19 | | 2(10−7b)+3b−4(2−4b)+4=−19 | | 159-v=238 | | 12x-9=10×-15 | | 2(3x-3)=3(4×-2) | | 157=76+x | | 19y+4=6 | | Y+4=7-2y | | 3-)3x+8=23 | | –5g−10=–3g+8 | | 4y-y/2+1/2+1=0 | | 4x+3=2(×+4) | | 4y-y/2+1/2=-1 | | 2(3x-2)=3(4x-2) | | 3x+4+7x^2=199 | | 12/20=3/x= |

Equations solver categories