3n+9=-4n+30

Simple and best practice solution for 3n+9=-4n+30 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 3n+9=-4n+30 equation: 



3n+9=-4n+30

We move all terms to the left:

3n+9-(-4n+30)=0

We get rid of parentheses

3n+4n-30+9=0

We add all the numbers together, and all the variables

7n-21=0

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

7n=21

n=21/7

n=3

See similar equations:

| x2x4=100 | | p+–186=–420 | | 27u²-15u=0 | | 3x-15=7x-x | | 5x-9+2x+60=180 | | h/22=38 | | 4.25/w=55.25 | | (8x-4)=(6x+12) | | 2x+10+50+30=180 | | 2x+10+50+30=180 | | 2x+10+50+30=180 | | (9)x=27 | | 11x-3.5(5.6x-22)=3-15x | | 11x-3.5(5.6x-22)=3-15x | | 11x-3.5(5.6x-22)=3-15x | | (9)^x=27 | | (9)^x=27 | | x+4=-9-3(x-5)+8x | | -2(4x-5)+2x+4=24 | | -2(4x-5)+2x+4=24 | | -2(4x-5)+2x+4=24 | | 1-2(2x+6)=5 | | G(x)=1x-1 | | 103-4x=61 | | 103-4x=17 | | 6x=331.2 | | 6c=331.2 | | 6c=331.2 | | 6c=331.2 | | 8x+8=182 | | 7x+8+24=10x+8 | | x+16=45+(5•16) |

Equations solver categories