3(m+1)=21

Simple and best practice solution for 3(m+1)=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(m+1)=21 equation: 


Simplifying
3(m + 1) = 21

Reorder the terms:
3(1 + m) = 21
(1 * 3 + m * 3) = 21
(3 + 3m) = 21

Solving
3 + 3m = 21

Solving for variable 'm'.

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

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

Combine like terms: 3 + -3 = 0
0 + 3m = 21 + -3
3m = 21 + -3

Combine like terms: 21 + -3 = 18
3m = 18

Divide each side by '3'.
m = 6

Simplifying
m = 6

See similar equations:

| 3(n-3)=6 | | 12x-3=30x+3 | | 2.4x=4x-3 | | 0.60x+0.15(20)=0.30(106) | | x+7x-12=14-3x+7 | | 8(x+4)+9=41 | | 8(x+4)+9=21 | | 0=y^2-43y+450 | | 0=(y*y)-43y+450 | | 3(2x+1)=3x-9x | | -0.6x+6.24=-0.1x+0.24 | | 4x-(13-3x)+17=39 | | 0.5(8x+2)-(x-6)= | | -1.3(-4z+7)-1.5z= | | 3x*4=17 | | 3(x-7)-2(2x-29)=x+5 | | -1.3(4z+7)-1.5z= | | 2x^2+3x=65 | | 5x-y=-1 | | 3v+10=5v+4 | | 3y-2x=-6 | | 7(2x+7)=35+2(8x+2) | | 5X+38=14X-52 | | 0.9(5x-8)+2.1x= | | 2Y+3=2Y+10 | | -0.6(-2p+8)+3.3p= | | 2y-3x-12=0 | | 5x^2+4x+5=0 | | 6x+30=62+2x | | 3w^2+4w-5= | | 2x+6x= | | 68-3X=33X+24 |

Equations solver categories