4m-7m=21

Simple and best practice solution for 4m-7m=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 4m-7m=21 equation: 


Simplifying
4m + -7m = 21

Combine like terms: 4m + -7m = -3m
-3m = 21

Solving
-3m = 21

Solving for variable 'm'.

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

Divide each side by '-3'.
m = -7

Simplifying
m = -7

See similar equations:

| abs(2x+8)=abs(x+4) | | V=(3.14)24(60) | | s+2*l=16 | | 3x^1/11-1=0 | | x+y*z=b | | V=(3.14)25(60) | | (x1/3)^2 | | (x1/3)^2=9 | | (4)(-2x)(-3)= | | 7=2u+1 | | x-3y=1.2 | | 8k-6=10(k-1) | | x+5*10=80 | | 4-(2/5x)=(-2x/5)-5 | | V=(3.14)25(12) | | B=12mh=8m | | x^3-mx^2-2mx+8=0 | | x+5.10=80 | | 2q+15=7q | | 15s-5=-35 | | 2/5-4/15 | | x+5.10=100 | | 4x-2y-3=-y+5y+4 | | 10a+2=5a+2 | | 4(x+14)-30=4x-2 | | 8x-34=9x-40 | | 2x^2-31x+128=0 | | 4x-8=6x+20x | | 118-14x+3x=0 | | 19+52=93 | | 6x+9=2x+9+3x+x | | m/15=4/6 |

Equations solver categories