30-n=7

Simple and best practice solution for 30-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 30-n=7 equation: 


Simplifying
30 + -1n = 7

Solving
30 + -1n = 7

Solving for variable 'n'.

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

Add '-30' to each side of the equation.
30 + -30 + -1n = 7 + -30

Combine like terms: 30 + -30 = 0
0 + -1n = 7 + -30
-1n = 7 + -30

Combine like terms: 7 + -30 = -23
-1n = -23

Divide each side by '-1'.
n = 23

Simplifying
n = 23

See similar equations:

| -(x+2)-(x-4)=-5x | | 25-55+150=5 | | 7(4s+10)=126 | | 4x^3-10x^2+10x-25=0 | | 9x^2-7x+78=0 | | 2(2l+7)=34 | | c=-12*4.5+6(7.3-5-3)-(-5.1+3.2) | | y(x-2)+9(x-2)=0 | | 9x^2-7x=78 | | A=1.7-[2.1*(-0.5)+14]*(-5) | | 3x+7y=152 | | N-3=-n+7 | | 1.2x+0.6=0.6y | | 3x+4y=152 | | 1.75t^2=245+35t | | 5(5c-1)-4=22c+6 | | 5x-9y=95 | | 4+6n=7+5n | | x^2-7x+78=0 | | B=13-[12-4*(-1)-7]*(5-7.5) | | 3n^3-6n=0 | | (y-355)/2= | | (x-355)2= | | 30-16=2(x-8) | | B=13-[12-4x(-1)-7]x(5-7.5) | | 40+x-10=180 | | x^3+18x+81=0 | | A^3+4A^2-39A-18=0 | | -2t+3=1 | | 43+2y-17=11y-9-4y | | 4x+9x-7x=33+3 | | x+(x+15)=71 |

Equations solver categories