-3m-21=2m-(-m+3)

Simple and best practice solution for -3m-21=2m-(-m+3) 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 -3m-21=2m-(-m+3) equation:


Simplifying
-3m + -21 = 2m + -1(-1m + 3)

Reorder the terms:
-21 + -3m = 2m + -1(-1m + 3)

Reorder the terms:
-21 + -3m = 2m + -1(3 + -1m)
-21 + -3m = 2m + (3 * -1 + -1m * -1)
-21 + -3m = 2m + (-3 + 1m)

Reorder the terms:
-21 + -3m = -3 + 2m + 1m

Combine like terms: 2m + 1m = 3m
-21 + -3m = -3 + 3m

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

Combine like terms: -3m + -3m = -6m
-21 + -6m = -3 + 3m + -3m

Combine like terms: 3m + -3m = 0
-21 + -6m = -3 + 0
-21 + -6m = -3

Add '21' to each side of the equation.
-21 + 21 + -6m = -3 + 21

Combine like terms: -21 + 21 = 0
0 + -6m = -3 + 21
-6m = -3 + 21

Combine like terms: -3 + 21 = 18
-6m = 18

Divide each side by '-6'.
m = -3

Simplifying
m = -3

See similar equations:

| -11/6w=7 | | 3x=x+3.5 | | 4(6n+5)=-16+6n | | y=111+y+15+90 | | x-8x=pi | | 22-4y=10 | | (9x-4y)-(2x-8y)= | | -16/9w=5 | | 4.5=m/-3.3 | | 22-x=-2(-7x+4) | | 4x^2-4-x^2y^2+y^2=0 | | 3y+3=7y-4y+3 | | 13/10/5 | | 12x-6x+2=-2x+8x+2 | | 6(2x-1)=2(-2x+1) | | 16-16x=-24x-168 | | 8p-4(5p-3)=6(2p+7) | | 1y-9x-3x+8y= | | -9/5w=4 | | -8+4r=r+2(r-7) | | -2x+3=4x+4-6x | | 5/X=4/120 | | 3x+x+166+62=180 | | 4.9t^2+6t=-20 | | 64=a/4 | | 2(3x+2)+2=18 | | 12x-6+2=-2x+8x+2 | | -31/-3 | | 5/14c=3/8 | | -10x-2x+2x= | | 16+6x=3x-2 | | 16.24/14 |

Equations solver categories