-108=-3(1+7n)

Simple and best practice solution for -108=-3(1+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 -108=-3(1+7n) equation: 



-108=-3(1+7n)

We move all terms to the left:

-108-(-3(1+7n))=0

We add all the numbers together, and all the variables

-(-3(7n+1))-108=0



We calculate terms in parentheses: -(-3(7n+1)), so:

-3(7n+1)

We multiply parentheses

-21n-3

Back to the equation:

-(-21n-3)



We get rid of parentheses

21n+3-108=0

We add all the numbers together, and all the variables

21n-105=0

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

21n=105

n=105/21

n=5

See similar equations:

| 5x+2x+20=4x-7 | | 2=n/2=8 | | 5^{x+2}-4.5^{x+1}-8.5^{x-1}=85 | | 12x+6=91 | | 5=-15.5+(-3.6x)+1.8x | | 9=-3m-3 | | -2-6b=34 | | (5y-6)=12 | | -14=m=-9 | | -17r=119 | | 8=v/8 | | 75=-5k | | x^2-100x+2420=0 | | 6c+8=2c+16 | | x/5+x/2=15 | | 19x29=89 | | 2x+12x+2-4=12 | | -1/4=r-4/5 | | X+.5x=210 | | 4x-19=5x+6 | | 7+2(3x–5)=8–3(2x+1) | | -3,7x-9,6=8,8x-2,1 | | -9x+2,3=-8,6x-2,9 | | (x+17)^2+(5x-23)^2=x^2 | | (i√(5-9)(i√(5+9)=0 | | 0.45x-9=0.9xx=-20 | | 3x−2=3−x | | (150/t)-170/(t+2)=16 | | 0.45x-20-9=0.9x-20 | | 12x-7=9x+23 | | (3x-15)(x+3)=0 | | 9x−2=7x+ |

Equations solver categories