4m-21=7-3m

Simple and best practice solution for 4m-21=7-3m 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-21=7-3m equation:


Simplifying
4m + -21 = 7 + -3m

Reorder the terms:
-21 + 4m = 7 + -3m

Solving
-21 + 4m = 7 + -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
-21 + 4m + 3m = 7 + -3m + 3m

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

Combine like terms: -3m + 3m = 0
-21 + 7m = 7 + 0
-21 + 7m = 7

Add '21' to each side of the equation.
-21 + 21 + 7m = 7 + 21

Combine like terms: -21 + 21 = 0
0 + 7m = 7 + 21
7m = 7 + 21

Combine like terms: 7 + 21 = 28
7m = 28

Divide each side by '7'.
m = 4

Simplifying
m = 4

See similar equations:

| 25-4b=-6+47 | | 1-r=5 | | -9j-12=8-4j | | 6-5p-11=-3p+3-4p | | 7+15x=142 | | 2w+3w-2=18 | | 3x^2=39x-66 | | 5u^2-6=-13 | | 9x-6y+4=-8 | | 4-7z=12-3.z | | 2x^2+15=13x | | 18c-1=8 | | 225-9(7)=n | | 6-y=45 | | 4x^2+60x+224=840 | | 6-6=4 | | 65-9(7)=n | | 3x^2+12x=36 | | n/3-3=6 | | -4.8x-1.4=3,2 | | x+(x+6)=20 | | 8b^4+4b^4-6b^4-4b^4= | | 6b+11=35 | | -2(6-x)=4(x-3) | | 4(x+4)=3(2-2x) | | 84=6y | | -8+a=7 | | 3x^3+x^2-75x-13-12=0 | | -2-7= | | 6(x+2)=2(1-2x) | | x^3-9x^2+1=0 | | .6x-.3=1.5+.9x |

Equations solver categories