-21=3(-7+n)

Simple and best practice solution for -21=3(-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 -21=3(-7+n) equation:



-21=3(-7+n)
We move all terms to the left:
-21-(3(-7+n))=0
We add all the numbers together, and all the variables
-(3(n-7))-21=0
We calculate terms in parentheses: -(3(n-7)), so:
3(n-7)
We multiply parentheses
3n-21
Back to the equation:
-(3n-21)
We get rid of parentheses
-3n+21-21=0
We add all the numbers together, and all the variables
-3n=0
n=0/-3
n=0

See similar equations:

| 2(4x+8)=-41+49 | | 10x-32=124 | | p/0.98=8 | | 2(x-4=-14 | | 6x-5-2+8=12(1/3x+1/4) | | 3(x+2)2-29=0 | | (2x2–5x+7)=(x+3) | | 4m/5-7/4=m/5+m/4 | | 0+x=19 | | (3x-5)=50 | | 7x+30=9x+32 | | (8x-24)4=-12 | | 32800–c=9360 | | 2+2/3x=1-5/4x | | 2x+20+7x=180 | | 3(x+5)^2-3=0 | | 7(-7+2x)=21 | | 12-28x=7x-58 | | (3x+2)2-5=0 | | 2/3(5x-9)=14 | | 3(y−2)=3y−6 | | /2(x+1)=3x-1 | | 4(1+9x)=-32 | | 5x+1x4=-6 | | -(x+5)=2x-20 | | -x-3(1-3x)=-21+2x | | m1=m3m3= | | x/2+-3=17 | | 2x+2=-3+7 | | 32,800–c=9360 | | 6-q=2 | | 6x–42=4x |

Equations solver categories