If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15k+k-21=105
We simplify the equation to the form, which is simple to understand
15k+k-21=105
We move all terms containing k to the left and all other terms to the right.
+15k+1k=+105+21
We simplify left and right side of the equation.
+16k=+126
We divide both sides of the equation by 16 to get k.
k=7.875
| 6q-178=2(6-4q)-5q | | -3w^2+4w=56 | | 4w^7+22w^6+10w^5= | | -3(x+5)=3(-1) | | 92=4/x | | x^1/3x^1/7 | | n+-4+-9= | | -18x-36+36-12x=-14 | | (x-17.7)+19.6=17.8 | | (4X-10)=(X) | | X^2/x+4=16/x+4 | | 7x^3-x^2-56x+8=0 | | 3d+1=-5 | | r^2s^4t^6/r^3s^4t^-6 | | x-5y-25=0 | | 4s-72=2(6-3s)-4s | | (2/x)/(1/2x) | | s/6-6=12 | | (5t^2-t-8)(2t^2+5t-1)= | | 20-0=10o-2 | | 1/2y-1/3(y-1)=5y | | 8+4l=-10+k | | 9x^2-y^2=-16 | | 9x^2-y^2=-16 | | 3x+5y=80 | | (4/5y-3)=(2/3y+4) | | 24x^2+30x=0 | | 2.4/0.39 | | 12.99x=50.50 | | c=k+w/2 | | 5x^2+y^2=30 | | 2x-6+5x=3x+10 |