3n+9=5n+7

Simple and best practice solution for 3n+9=5n+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 3n+9=5n+7 equation:


Simplifying
3n + 9 = 5n + 7

Reorder the terms:
9 + 3n = 5n + 7

Reorder the terms:
9 + 3n = 7 + 5n

Solving
9 + 3n = 7 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
9 + 3n + -5n = 7 + 5n + -5n

Combine like terms: 3n + -5n = -2n
9 + -2n = 7 + 5n + -5n

Combine like terms: 5n + -5n = 0
9 + -2n = 7 + 0
9 + -2n = 7

Add '-9' to each side of the equation.
9 + -9 + -2n = 7 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = 7 + -9
-2n = 7 + -9

Combine like terms: 7 + -9 = -2
-2n = -2

Divide each side by '-2'.
n = 1

Simplifying
n = 1

See similar equations:

| ln(8x+6)=3.1 | | 0.43=x(9.8) | | 2n+5p+7n-p= | | b+(b+1)+(b+2)=45 | | -1+9v=-118 | | -2p=-42 | | -2x-5=3x+7 | | -8=4vn-8 | | 10-3(m-2)=3 | | 2ax+3ay-4bx-4by= | | 24=3n-5 | | 7x-5(x+2)=27+(x-3) | | 11x+9=54 | | 18c-16c-2=20 | | x(x+1)=78 | | 10x-300=15+5x | | -11=x-8-8 | | 5x^2-42x+8=0 | | 5x=2-y | | f+9=-8 | | 10.00+2.00t=60 | | Y=c^2+2c-63 | | -6n+8n=12 | | -2f=96 | | 165x^2-2.608x-2.7384=0 | | 123=-5(4r+4)+3 | | 3z-9=4z+8 | | -4(3y-8)+2(2y+7)= | | u+-23=-73 | | 28=h+-12 | | y-15=2 | | 5*g=230 |

Equations solver categories