21+9m=84

Simple and best practice solution for 21+9m=84 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 21+9m=84 equation: 



21+9m=84

We move all terms to the left:

21+9m-(84)=0

We add all the numbers together, and all the variables

9m-63=0

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

9m=63

m=63/9

m=7

See similar equations:

| 16n-28=84 | | 3(p+6)=4(p+4)=-8 | | 2x-6=5x+6 | | 7n-n=16 | | .75y=11.25 | | 10.14+y=25.14 | | 4.5y=67.5 | | 5^x=35 | | 2x+3/2=5+x | | 100=2(3+6n)-2 | | -10y^2+33y-26=0 | | 17/5x-4x=-2=-2x+21/20 | | 3x+42-x=10 | | 2/3x+6=1/2x=1/4 | | 102+19m=330 | | 31n-102=425 | | 38=-8+5(x+4) | | X²(x-9)(2x+1)=0 | | 5p+13/2=14 | | 1/12y-2=-10 | | -(5r+4)=-2(2+5r)-5 | | 1/12y+3=-15 | | 160=120/a(144) | | y/8+8=-13 | | 3x-7x=-4(x-6)-8(7-x) | | 6x²+x-15=0 | | (x+4)²-8x=0 | | -3(4p-2)=21-7p | | -4(-3+6x)=-15+3x | | 6=-3x-33 | | -2(8n-3)=-90 | | 5x-24=3x+76 |

Equations solver categories