m-3(m-5)=21

Simple and best practice solution for m-3(m-5)=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 m-3(m-5)=21 equation:


Simplifying
m + -3(m + -5) = 21

Reorder the terms:
m + -3(-5 + m) = 21
m + (-5 * -3 + m * -3) = 21
m + (15 + -3m) = 21

Reorder the terms:
15 + m + -3m = 21

Combine like terms: m + -3m = -2m
15 + -2m = 21

Solving
15 + -2m = 21

Solving for variable 'm'.

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

Add '-15' to each side of the equation.
15 + -15 + -2m = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -2m = 21 + -15
-2m = 21 + -15

Combine like terms: 21 + -15 = 6
-2m = 6

Divide each side by '-2'.
m = -3

Simplifying
m = -3

See similar equations:

| -(x-8)+3x+5=17 | | 4,3v-6=8+2.3v | | 0=256-16t^2 | | 19+2(w-2)-9w=-3(w+2)+6 | | w+t+5+n=180 | | 8(6x+5)=48x-10 | | -5z+6z= | | 12x-15=90 | | 8x+16-6x=12 | | 13-1(-6+7)+9= | | 41/3*31/2 | | 5-7x=7x+159 | | -d(d+4)+7d+2(9d+1)= | | .75j-10=5 | | 7x+9=7x+9 | | 0.6(x-300)+0.05x=0.7x-205 | | -2n-(2.8-7n)=2.4+5.4n | | 5+x-4=7-x | | 4x+4(-6X-3)=-8(5+2X) | | 4x=10.5 | | -13+x=41 | | 12x+9=12x-6 | | 0=x-20 | | 2(5w)+2w=9w | | (3x-15)+(y+25)=180 | | (2x+5)/3 | | t/8=18 | | 3x-16x=7+2(-8q-3) | | 5r+2(r-8)-3(4r)+8= | | 3v-9=7+12v-v | | z/4=z+3/8 | | -3/5t=2/3 |

Equations solver categories