3m+7=21

Simple and best practice solution for 3m+7=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 3m+7=21 equation: 



3m+7=21

We move all terms to the left:

3m+7-(21)=0

We add all the numbers together, and all the variables

3m-14=0

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

3m=14

m=14/3

m=4+2/3

See similar equations:

| 6x-3=2x±5 | | 20/p=1/10 | | 6r+6=16-4r | | X*(3+x)*(1+x)=30 | | 13x+12=12x+21 | | y*1.8181+16.3636=320 | | y*1.8181+16.3636=360 | | 22x=-22 | | x+39/39=52/39 | | =2t-1 | | 4.2=z/6 | | 10y-5y+25=50 | | 5x-4=12-32 | | 7x=2x+24 | | 0.21-x^2=0 | | 2x/18=40 | | ?x2+3x2=34 | | 5(3x-2)-6=–1 | | 8x-7+2x=6+5x+2x | | -2x+1=4x+13 | | x+22=-4x+12 | | x-17=-5x-59 | | 45÷k=3 | | (x-0.7x)-3=(x-0.4x)-18 | | (3x+12)(2x-32)=180 | | 1600/100=1650/x | | (3x+12)(2x+32)=180 | | 7(2.5h-8.5)=-28.5 | | -23.5=-6+8.5(c-9 | | -7t+10=6t-5 | | x+0.15x=3000 | | 3x+120+2x=180 |

Equations solver categories