42=21m

Simple and best practice solution for 42=21m 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 42=21m equation:


Simplifying
42 = 21m

Solving
42 = 21m

Solving for variable 'm'.

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

Add '-21m' to each side of the equation.
42 + -21m = 21m + -21m

Combine like terms: 21m + -21m = 0
42 + -21m = 0

Add '-42' to each side of the equation.
42 + -42 + -21m = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -21m = 0 + -42
-21m = 0 + -42

Combine like terms: 0 + -42 = -42
-21m = -42

Divide each side by '-21'.
m = 2

Simplifying
m = 2

See similar equations:

| 6p^6+24p^5+18p^3= | | 12=7x-3x+4 | | 4x+2(2.5)=8 | | -3g+6+2g= | | 2x-8+5x=34 | | 4x+36=16x | | 15n^3-3n^2+12n= | | 2/9(x-6/7)=1/63x+40/63 | | 4x-3=53 | | a^2+a-90=0 | | 14x+13=62+7x | | 2(4x-8)=32 | | 30=a+6a-9 | | 2/9+2/3=x | | 108+9m=243 | | 2t^2-10t^4= | | 3(5a+3)+4a=85 | | 3w-16=5 | | 5y=3x-8 | | -15a+30=-90 | | 24n-72=216 | | 19+8=-3p-8+8 | | -3(6v-3)+7v=97 | | (2a-4b-c)+(-2a-b-4c)= | | 10x-6=-25 | | 3x+6-9x=30 | | f(x)=-x+10 | | 10x^3-25x^2+20= | | 3(y+5)=32 | | 5m+5.25=42.75 | | -1-2g=1 | | -20+12r+6q-2r-3q-26= |

Equations solver categories