If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2n+n-19=21
We simplify the equation to the form, which is simple to understand
2n+n-19=21
We move all terms containing n to the left and all other terms to the right.
+2n+1n=+21+19
We simplify left and right side of the equation.
+3n=+40
We divide both sides of the equation by 3 to get n.
n=13.333333333333
| ax-a^2=bx-b^2 | | Pie/7=a/4 | | 4y-20=0 | | 2.45-301t=21.05 | | ax^2-a=bx^2-b | | 6(4+x)+3=21+6x | | 8x^2-x^2-x^2-6x= | | 16-7n=1-2n | | y+(-31)=60 | | -5x+1=-2x+28 | | 2(2-8r)-6r=-6r+4 | | 6y-6=0 | | 2/3x-1/4=-2 | | -2/5(20x-10y) | | 6b+14=-17-b | | (32x^4)(9x^6)/(48x^12) | | 17/12=9/4b-11/3b | | (4x^2-4)/(8x^2-8) | | 100=-2/3h | | x^2-3x/x | | 9-(3r+1)=12 | | =x(3x+5x) | | -4(1+n)=-3-4n | | 4.8-x-5.9=3.6 | | -3k+5k=14+4k | | 30=y*6 | | 2(21-7a)= | | ax=5x+3a | | n-5n=4n-8n | | ax=5c+3a | | 0.12y+0.05(y+2000)=1290 | | 8m-3=-8+7m |