3n+15=7n+-1

Simple and best practice solution for 3n+15=7n+-1 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+15=7n+-1 equation:


Simplifying
3n + 15 = 7n + -1

Reorder the terms:
15 + 3n = 7n + -1

Reorder the terms:
15 + 3n = -1 + 7n

Solving
15 + 3n = -1 + 7n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-7n' to each side of the equation.
15 + 3n + -7n = -1 + 7n + -7n

Combine like terms: 3n + -7n = -4n
15 + -4n = -1 + 7n + -7n

Combine like terms: 7n + -7n = 0
15 + -4n = -1 + 0
15 + -4n = -1

Add '-15' to each side of the equation.
15 + -15 + -4n = -1 + -15

Combine like terms: 15 + -15 = 0
0 + -4n = -1 + -15
-4n = -1 + -15

Combine like terms: -1 + -15 = -16
-4n = -16

Divide each side by '-4'.
n = 4

Simplifying
n = 4

See similar equations:

| 6y+3x=3 | | X+9+x+5=2x+7 | | x^2-75x=-24 | | w^2+w-42=0 | | x^2-75x+24=0 | | x+3-13+z-21=x(2+z)+14-2x | | 2r+s=kfors | | (5x+1)-(x+2)=(x+2)-(1-x) | | (y-4)-(y+8)=5y | | 4x+600-10800=0 | | 7x-36+5x+12=180 | | 2x^2-x+1=x+1 | | 100x+100x=300 | | 4x+10=14+12x | | 5+66x=44x+32 | | (X+1)(x+2)(x+3)(x+4)=15 | | (x-4)(2x-3)=0 | | y=-.75-.5 | | 3(a-5)=9 | | 20u^9v^6-24u^2v^3x^5=0 | | 3s+15=60 | | 3x+60=2x+45 | | 3x-y=1-10 | | Y+2*3y+2=0 | | d-10=c | | 138-y=227 | | 14p+3d=508 | | (2*2)*(1+3)= | | 4x-(3-1.5x)=-5+6x+2-0.5x | | 0=2x-2-3sinx | | 2x+22=49x | | 2x+22=49 |

Equations solver categories