21-5n=-3(5n+3)

Simple and best practice solution for 21-5n=-3(5n+3) 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 21-5n=-3(5n+3) equation:


21-5n=-3(5n+3)

We simplify the equation to the form, which is simple to understand 
21-5n=-3(5n+3)

Reorder the terms in parentheses
21-5n=+(-15n-9)

Remove unnecessary parentheses
+21-5n=-15n-9

We move all terms containing n to the left and all other terms to the right. 
-5n+15n=-9-21

We simplify left and right side of the equation. 
+10n=-30

We divide both sides of the equation by 10 to get n. 
n=-3

See similar equations:

| 3y+1=2y-1 | | 4(2y-12)=10(y-5) | | 21-5=-3(5n+3) | | 12j+100=580 | | T+5t-14-3-2t= | | 5n/6-3/4=n/12 | | 2x+8-5x=23+x | | 53=5i+8 | | 6n+5+n=5n-3 | | -4(r+3)=-73 | | -6p+3+7p=11 | | 3*(-4)+(52+-4*2)-(-9)= | | x+15+3x+15=5x-7 | | 12=4x^2-5x | | 3=4x-7x | | 5-3(n+1)=20 | | 8p-12=36 | | 2+4u-7+3u+10-12u= | | a+7-10=8 | | 5-4(3+x)=5-12+x | | 6(7x-3)=192 | | 2(t-3)-5(2t-3)=14-8(3t+2) | | n-3=2n-15 | | ab+3a-5b-15= | | 4x^2+5=3x+5 | | 5(x-2)-(2x+4)= | | 5x-3=66+2X | | 5(3z+5)=15-2(z-5) | | 20+-40(3*3-6)= | | U^2-5u=-6 | | -25.96=-2.2(r+2.4) | | 107+-8z=469 |

Equations solver categories