7a/21=28

Simple and best practice solution for 7a/21=28 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 7a/21=28 equation:



7a/21=28
We move all terms to the left:
7a/21-(28)=0
We multiply all the terms by the denominator
7a-28*21=0
We add all the numbers together, and all the variables
7a-588=0
We move all terms containing a to the left, all other terms to the right
7a=588
a=588/7
a=84

See similar equations:

| 6=6h=2h-5 | | 375+n+250+n+250+n=2000 | | 85-1/4x=83.5 | | 2(5x+4)=7(2+x) | | 8a+5-3a=20 | | x-8x/10=450 | | 7+(x+5)=49 | | 275+n+250+n+250+n=2000 | | 5x-3=-285 | | 4x+3=-14x73 | | 8x+40=2x-100 | | x=4/2x-5=30 | | -x^2+27x-182=0 | | 3x-36=10x-86 | | -4x-5=-6x+9 | | 2c+7=4c+5 | | -9x+3=-14 | | 240+0.15x=325 | | 3^5x=82 | | 170=0.25x=310 | | 10*x+5*(160/x)=1085 | | 10*x=1085 | | 5x-18=3x+9 | | -2/3(5b)=75+5/3b | | 5(b/12)=65 | | 10x+25-7x÷35=10 | | 1c+16,5=13,5+10c | | (x-6)(7-x)=10-x*x | | 12/4=x/20 | | 14x=x-13 | | 3-m=5(m-3) | | 4n^2+6n-304=0 |

Equations solver categories