3d+3s=21

Simple and best practice solution for 3d+3s=21 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 3d+3s=21 equation: 


Simplifying
3d + 3s = 21

Solving
3d + 3s = 21

Solving for variable 'd'.

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

Add '-3s' to each side of the equation.
3d + 3s + -3s = 21 + -3s

Combine like terms: 3s + -3s = 0
3d + 0 = 21 + -3s
3d = 21 + -3s

Divide each side by '3'.
d = 7 + -1s

Simplifying
d = 7 + -1s

See similar equations:

| 4h+3(h-1)=7h-3 | | 1+3n=-4+4n | | (x)(x+1)=7920 | | z-172=-6z-4 | | 4x+6-5x=9 | | 100x^3=0 | | 20x+44=180 | | t-14+9t=3(4t-6) | | -6b+8=10 | | -21=x+(-20) | | -3c-5=c+131 | | -7r+3r=-12 | | 8x+44=180 | | 7p-10=3(3p-5) | | 40(x-.06)=2.0 | | (2+-1y)*4=-6y | | y-164=-5y-8 | | 40x(x-.06)=2.00 | | 5x+4+3x-24=180 | | 3n+6=-8-4n | | 3x-7=4+4x | | -5n+8=n+308 | | 11+9m=-70 | | 8(x-4)=4(2x-1) | | 25-55+(65+85)= | | 40(x-.06)=2.00 | | 47=8x-5 | | d+356=-9d+6 | | -49=6c+3-4c | | 3x-5(x-2)=-9+8x-9 | | x+8.5=12 | | 2k+9+6k=2k+10+9 |

Equations solver categories