3(n-5)+2n=90

Simple and best practice solution for 3(n-5)+2n=90 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 3(n-5)+2n=90 equation:


Simplifying
3(n + -5) + 2n = 90

Reorder the terms:
3(-5 + n) + 2n = 90
(-5 * 3 + n * 3) + 2n = 90
(-15 + 3n) + 2n = 90

Combine like terms: 3n + 2n = 5n
-15 + 5n = 90

Solving
-15 + 5n = 90

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 5n = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 5n = 90 + 15
5n = 90 + 15

Combine like terms: 90 + 15 = 105
5n = 105

Divide each side by '5'.
n = 21

Simplifying
n = 21

See similar equations:

| 4+2(x-5)/3x-5x+10 | | 6r-4+3=17 | | 8x+14=-154 | | 592=212t-16t^2 | | 2(x*x*x*x)-4(y*y*y*y*y)+7(x*x*x*x*y*y*y*y*y)-7(x*x*x*x)+7(y*y*y*y*y)=n | | 7(a*a)-5a+2a-4(a*a)=n | | 2+11y+10q-3y-5q+7=n | | a+2b+2a-8+9b=n | | 2(-3)-(x*(-3))=4 | | 12-3y-2y= | | 5(x-2)+8=6(x-1)+7 | | 2/520= | | -6+11r+15p-5r-5p+26=n | | (5x-1)/2=2x+3 | | 2/3+(-2/3)=0 | | 2(3+1.5m)=3.5m-1 | | 2(a-4b-6c)=n | | 1-3x+2/5=1/15 | | 2(a-4b-4c)=n | | (a+b)+4=(b+a)+4 | | 3(2x+5)=30+4x | | 4x(x+1)=8(x-4) | | -4(r-2)=n | | x(x^2-81)(x^2+64)=0 | | 1+(-5)=7-6x | | 6(4x-8)=2(12x+1) | | 2/t-1=5-1/t | | m/3+2=7 | | 3/4n+n/12-6=5+2n-18 | | 4x^2+36y^2+16x-216y+196=0 | | 2+1/x=3+2/x | | -1.7x=-680 |

Equations solver categories