3(n+5)=9(7-n)

Simple and best practice solution for 3(n+5)=9(7-n) 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 3(n+5)=9(7-n) equation: 



3(n+5)=9(7-n)

We move all terms to the left:

3(n+5)-(9(7-n))=0

We add all the numbers together, and all the variables

3(n+5)-(9(-1n+7))=0

We multiply parentheses

3n-(9(-1n+7))+15=0



We calculate terms in parentheses: -(9(-1n+7)), so:

9(-1n+7)

We multiply parentheses

-9n+63

Back to the equation:

-(-9n+63)



We get rid of parentheses

3n+9n-63+15=0

We add all the numbers together, and all the variables

12n-48=0

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

12n=48

n=48/12

n=4

See similar equations:

| 4(8=6x)-10=-26 | | -x*x/2+72x-1200=0 | | 2z-3-3=9 | | −8x+6(x+8)=(x+7)+11 | | x*x/2+72x-1200=0 | | (-2x+8)2=144 | | 43=3r-3.45=334=r | | c+c2=c+2 | | 2=8-3m | | 6^x+8=37 | | 2y-54y+364=0 | | 3y-5=10-2y | | 8h=2h+24= | | 4x+233=17 | | -n+6n=16 | | 3x+10x+7=0 | | 3x-6=2x-9= | | V(x)=(x)(11-2x)(16-2x) | | 3.9=0.78{a+2} | | 1/5a=6 | | (x=7)+11 | | 1020=35x+250 | | (2z+4)=1/4(z-8) | | -7(x+1)=-70 | | 8x-5x=12+14+x | | 2000000000000*x=5000000000000000 | | 2x²-11x+15=0 | | 2/3+z=-1/12 | | 2000+5x=1000+7x | | V-2+p=4 | | 4x-11=155 | | -1(x-4)+15=24 |

Equations solver categories