10n-21=7n

Simple and best practice solution for 10n-21=7n 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 10n-21=7n equation: 



10n-21=7n

We move all terms to the left:

10n-21-(7n)=0

We add all the numbers together, and all the variables

3n-21=0

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

3n=21

n=21/3

n=7

See similar equations:

| 12+2x=5x+18 | | 3y+6=1y | | (4x+1)(17)=76 | | X+y/4=5 | | 2x+x-17=4 | | 5p-12=3p | | (5u-6/3)=(u-3/2)+10 | | 5w=1w+20 | | 56÷n=8 | | P+5q=300(30,150) | | I(1/2)=210(1.08^x) | | -6=-1n+8-6 | | 2y-3=5- | | 12a+12=9a-13 | | 50+4y=50 | | -9=6-8m-7m | | 7-8d=-7d | | 15h+6h−20h−1=19 | | 3(b+5)+4b=29 | | 2-2a-2a=10 | | 8x-7-6=11 | | 13/2m+2=21/6 | | 7=7(4q-3) | | 0.3c-8.5=1+10.2 | | 1-5x+3=-21 | | 327=7s+12 | | 4x+8+x=8 | | 16=7b+2+7b | | 8x-6x=17 | | 3x+3+2x=3 | | 30+2x=16 | | 18=-3+6k-3 |

Equations solver categories