7(3n+4)=7(6n+4)+9

Simple and best practice solution for 7(3n+4)=7(6n+4)+9 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 7(3n+4)=7(6n+4)+9 equation:


Simplifying
7(3n + 4) = 7(6n + 4) + 9

Reorder the terms:
7(4 + 3n) = 7(6n + 4) + 9
(4 * 7 + 3n * 7) = 7(6n + 4) + 9
(28 + 21n) = 7(6n + 4) + 9

Reorder the terms:
28 + 21n = 7(4 + 6n) + 9
28 + 21n = (4 * 7 + 6n * 7) + 9
28 + 21n = (28 + 42n) + 9

Reorder the terms:
28 + 21n = 28 + 9 + 42n

Combine like terms: 28 + 9 = 37
28 + 21n = 37 + 42n

Solving
28 + 21n = 37 + 42n

Solving for variable 'n'.

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

Add '-42n' to each side of the equation.
28 + 21n + -42n = 37 + 42n + -42n

Combine like terms: 21n + -42n = -21n
28 + -21n = 37 + 42n + -42n

Combine like terms: 42n + -42n = 0
28 + -21n = 37 + 0
28 + -21n = 37

Add '-28' to each side of the equation.
28 + -28 + -21n = 37 + -28

Combine like terms: 28 + -28 = 0
0 + -21n = 37 + -28
-21n = 37 + -28

Combine like terms: 37 + -28 = 9
-21n = 9

Divide each side by '-21'.
n = -0.4285714286

Simplifying
n = -0.4285714286

See similar equations:

| 17k-9=3k-8k | | 0.04x+0.03(s+200)=27 | | [2n-5]=7 | | 14.50p=53 | | 2s-4=2s | | 5+3x-7=4x-2-x | | (1/5q)=9-(2/5q) | | 2x=p | | 4y-3+y+34=7y+40-5y | | 3x+15/6+x+23/4=15 | | [22-3n]=5 | | 5E^2+6E=6E^3 | | 180=x+5x+(x+5) | | 1/3(6-15w)=3/8(40w-8)+10 | | x/175=45% | | 2x+2=14x | | 3+2x=7x-17 | | 2x+3=p | | 4b^2-16b-128= | | x^3-3x^2+8x-24= | | 5(3-d)n=2d+1 | | 7*(5-2x)+12x=17+x | | 90p+500=5000 | | -4x+5y=-12 | | b^2-2bf-63f^2= | | 3xy+2y=11 | | -5a+7b-2a-10b= | | 5(5+3x)=-155 | | 2x+4=p | | y=9/3x+3 | | x^3-6x^2+6x-36= | | 9(3x-2)=2(x+3)-15 |

Equations solver categories