7n-9=40

Simple and best practice solution for 7n-9=40 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 7n-9=40 equation: 


Simplifying
7n + -9 = 40

Reorder the terms:
-9 + 7n = 40

Solving
-9 + 7n = 40

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + 7n = 40 + 9

Combine like terms: -9 + 9 = 0
0 + 7n = 40 + 9
7n = 40 + 9

Combine like terms: 40 + 9 = 49
7n = 49

Divide each side by '7'.
n = 7

Simplifying
n = 7

See similar equations:

| -3x-148=281-16x | | W^2=9w+10 | | 4x+2=18x+8 | | 60-20=20+x | | -8(y+3)=-13y | | -2-3x=0 | | -55./.5 | | 2x-1.3y=21 | | 1-4(a-2)=8+a | | 5y-9=7x-10 | | 97-5*x=48-2*x | | 7z-13=-25+4z | | (-8x+5)=0 | | -5r+7=-5-2r | | -5=-5+x-10 | | 13timesx=84.5 | | 8z-2=40+z | | 7x+11=2x+44 | | V=3.14*9*15 | | V=3.1489*15 | | 18x^4-14x^3/2x^2 | | (6x+5)=0 | | x/6=1.2 | | n^2-3n= | | (x+25)+x=662 | | 10a+5b=280 | | 3c+2y=47 | | 4x(-4)= | | k+5=-2+2k | | 6x+8=13+5x | | 6y-9=5x-6 | | y^5/7(y^2/7-10y^9/7) |

Equations solver categories