13+m=21

Simple and best practice solution for 13+m=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 13+m=21 equation: 


Simplifying
13 + m = 21

Solving
13 + m = 21

Solving for variable 'm'.

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

Add '-13' to each side of the equation.
13 + -13 + m = 21 + -13

Combine like terms: 13 + -13 = 0
0 + m = 21 + -13
m = 21 + -13

Combine like terms: 21 + -13 = 8
m = 8

Simplifying
m = 8

See similar equations:

| 6/3(2+1)=x | | 25x^2-45x+14=0 | | -5=6+x | | 3a^4-5a^3+7a^2= | | p(50)=0.16+80(50)-1600 | | 5.5x=1 | | 3x^3-24x^2+45x=0 | | 6/3(2+1)=2x | | 4m-8=28 | | 4*(p)(7)= | | 9-4= | | 8x-6=2x | | 1.5x=2 | | 8(-14)=35-y | | 8x=126+5(-14) | | x=0.16+80x-1600 | | 8(7)=35-y | | 8x=126+5y | | 3x=35-14 | | 2a+y-(9-4a)= | | 6w-8=-32 | | x^5+4x^4-6x^3-24x^2=0 | | 3(w-12)+30=0 | | 3(7)=35-y | | 4x^2-7x+1=0 | | 7x=35-y | | 4(-1)+2y=-12 | | 6(b-4)=8b-18 | | 4x+2(-4)=-12 | | 6h-5=2h+3 | | -4*2y=-12 | | 3p^2-2p-5=0 |

Equations solver categories