3+4m+5m=21

Simple and best practice solution for 3+4m+5m=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+4m+5m=21 equation: 


Simplifying
3 + 4m + 5m = 21

Combine like terms: 4m + 5m = 9m
3 + 9m = 21

Solving
3 + 9m = 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 + 9m = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 9m = 21 + -3
9m = 21 + -3

Combine like terms: 21 + -3 = 18
9m = 18

Divide each side by '9'.
m = 2

Simplifying
m = 2

See similar equations:

| 12x=24+9x | | B=2370+.88B | | 8b-4(b-2)=24 | | 2(3x+4)+3(x+4)=-41 | | -6(4-8x)=-120 | | -7x-7=-6x-1-x-6 | | -7(x+1)=-3(2x+.3333333333)-x-6 | | B=17.5+.583B | | B=42.5+.6B | | 7(v+1)-4(5-2v)=-5(v-9) | | 1.5(x-5)=-6 | | -2a-4=6(a-1)-1 | | 18=-6+4(2x+3) | | 19z-10-4z=3z-4 | | .3(d+3)=5 | | .5(2x-10)=4 | | 8B=32 | | -9=-8(-3n+5)-2 | | .5(6a-4)=1.5(2a-5)+6 | | -2(4x-5)+6(2x+1)=6 | | 1.5(6a-4)=1.5(2a-5)+6 | | x=2(3x) | | 14ec+14=28 | | (3x+8)-(x-6)=10 | | 7=5-2x | | 9z+12=9(z+3) | | 9z+12=9(z-3) | | 3(x+2)=x+25 | | a^3b^5x=a^6b^4c^2 | | -0.25x+0.5=4 | | 2p+3=10+p | | 7x-3=2x+8 |

Equations solver categories