3(n+7)=7-4(n-7)

Simple and best practice solution for 3(n+7)=7-4(n-7) 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+7)=7-4(n-7) equation:


Simplifying
3(n + 7) = 7 + -4(n + -7)

Reorder the terms:
3(7 + n) = 7 + -4(n + -7)
(7 * 3 + n * 3) = 7 + -4(n + -7)
(21 + 3n) = 7 + -4(n + -7)

Reorder the terms:
21 + 3n = 7 + -4(-7 + n)
21 + 3n = 7 + (-7 * -4 + n * -4)
21 + 3n = 7 + (28 + -4n)

Combine like terms: 7 + 28 = 35
21 + 3n = 35 + -4n

Solving
21 + 3n = 35 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
21 + 3n + 4n = 35 + -4n + 4n

Combine like terms: 3n + 4n = 7n
21 + 7n = 35 + -4n + 4n

Combine like terms: -4n + 4n = 0
21 + 7n = 35 + 0
21 + 7n = 35

Add '-21' to each side of the equation.
21 + -21 + 7n = 35 + -21

Combine like terms: 21 + -21 = 0
0 + 7n = 35 + -21
7n = 35 + -21

Combine like terms: 35 + -21 = 14
7n = 14

Divide each side by '7'.
n = 2

Simplifying
n = 2

See similar equations:

| 8xsquared-47x-6=0 | | 2+8=33(2x) | | 5h+25=20h | | X^2-8x+6=f(x) | | 7(4m-3)= | | f(x)=x^2-9x^4 | | 127=4(2*c) | | 264/26 | | 127=4+2c | | 12m+4m-3m= | | x-25.4=59.6 | | 3+7=5+v | | 3/8y-1/6=1/5 | | 375/800 | | 4n=n-21 | | 48a^3k2/6a^2k | | 775/800 | | 5p-2(-p-1)-7=p-(-8-p)-12 | | x^3-3/2y=0 | | -3(x+8)-2=52 | | r=47 | | 33+3n=-8(4n-5) | | 9a+2a=3a-4x | | 12+4=-4(8x-4) | | -15x-3=-3x+5 | | =1x^2+9x | | 42x=35 | | -(x-2)=2 | | 5/3y-12=-7 | | 1/3n=5/6 | | -7+g=13 | | 10x+78=55 |

Equations solver categories