3(d-3)=21

Simple and best practice solution for 3(d-3)=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 3(d-3)=21 equation: 



3(d-3)=21

We move all terms to the left:

3(d-3)-(21)=0

We multiply parentheses

3d-9-21=0

We add all the numbers together, and all the variables

3d-30=0

We move all terms containing d to the left, all other terms to the right

3d=30

d=30/3

d=10

See similar equations:

| w2=16/81 | | 1000=80x | | -8d-8=56 | | 78=1/2(v+86) | | 13=-4w+5 | | 5x+2/5=0 | | -6r+3r=15 | | 17x=13x+30 | | 6x−2=3x+10 | | 10r=-10 | | -8=20+7z | | 10-3q=28 | | 8a+14=-42 | | 2x*3-20=180 | | 0.22(x+6)=0.2x+3.2 | | 2x*3=200 | | 2(7)+7b=0 | | 9m-4(2m-3)=15 | | x-3,75=2,4 | | (3x-1)/3-2=(2-x)/4-x+1/5 | | 5x-5=4x+8+2x-14 | | 5^3x-8=81 | | -7-30x=5x | | -7-30x=5 | | 12-3(2-4x)=18 | | 6-2(2x-3)=7 | | -5=x+-10 | | 17(3x-4)=25x-218 | | 17.95+0.88x=248.51 | | (1-x)(x+1)=8 | | 13(2x)+20=6x(5x+2) | | Y=x2+8x-5 |

Equations solver categories