21+(n-1)*-3=0

Simple and best practice solution for 21+(n-1)*-3=0 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 21+(n-1)*-3=0 equation:


Simplifying
21 + (n + -1) * -3 = 0

Reorder the terms:
21 + (-1 + n) * -3 = 0

Reorder the terms for easier multiplication:
21 + -3(-1 + n) = 0
21 + (-1 * -3 + n * -3) = 0
21 + (3 + -3n) = 0

Combine like terms: 21 + 3 = 24
24 + -3n = 0

Solving
24 + -3n = 0

Solving for variable 'n'.

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

Add '-24' to each side of the equation.
24 + -24 + -3n = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -3n = 0 + -24
-3n = 0 + -24

Combine like terms: 0 + -24 = -24
-3n = -24

Divide each side by '-3'.
n = 8

Simplifying
n = 8

See similar equations:

| 21+(n-1)-3=0 | | 5y+-4=41 | | 22/7X=44 | | 7x^2-11x-29=0 | | 3f+-12=3(f-12) | | 4(2x+3)+3(3x-5)=116 | | 3q+4p=34 | | F+5.25=7.8 | | X*7.5=2(X+7.5) | | 2a-5a=3 | | Y-9=1/3(x-3) | | C+5.3=12 | | C+5.3=23.6 | | Y+18=70 | | #/4x=2/3 | | 2a*b=72 | | ln(y)=.79 | | (3x^2y^2-y^3+2x)dx+(2x^3y-3xy^2+1)dy=0 | | X^3-x^2-2x-19=0 | | 17-4*2+4= | | ((X^2)-1)/(x-1)=0 | | 6(v+3)=8v+22 | | 9=6-1 | | A*5+3=11 | | c^3=60^4/21 | | 6x-(10-x)=20-(x-2) | | -8(r-7)+57+8r= | | 32x^2=-8x | | -5+r(3+4)-7r= | | z^2-2iz-9-6i=0 | | z^2+2iz-9-6i=0 | | 4x(-3)=4 |

Equations solver categories