17-(m+8)=21

Simple and best practice solution for 17-(m+8)=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 17-(m+8)=21 equation:


Simplifying
17 + -1(m + 8) = 21

Reorder the terms:
17 + -1(8 + m) = 21
17 + (8 * -1 + m * -1) = 21
17 + (-8 + -1m) = 21

Combine like terms: 17 + -8 = 9
9 + -1m = 21

Solving
9 + -1m = 21

Solving for variable 'm'.

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

Add '-9' to each side of the equation.
9 + -9 + -1m = 21 + -9

Combine like terms: 9 + -9 = 0
0 + -1m = 21 + -9
-1m = 21 + -9

Combine like terms: 21 + -9 = 12
-1m = 12

Divide each side by '-1'.
m = -12

Simplifying
m = -12

See similar equations:

| 6x-4+3x+8y= | | -11=5a+6(5a+4) | | x^4-1.5x+0.5=0 | | 3x+-4=-3+-7 | | 9x^2-22x+8=3X^2 | | 9x^2-22x+8=33X^2 | | -11x^2+9y^2-16x+18y-11=0 | | 4x+12=x^2+5x | | 2.5-.25x=-3 | | x-0.85x=105 | | 4x+3=99 | | x^2-x-2+x^2-9= | | 28x-12y-28x-12y=0 | | 5(2y+7)=29 | | 5x+4=6y+5 | | 5x+4=6x+5 | | 2x+y+z=14 | | x+y+3z=15 | | x+y+32=15 | | (x-7)2=20 | | 16y^3+6xy= | | I=104x-207516 | | 50+2n=144 | | an=(1-1m) | | 2x=-(-7x+6) | | (6-y)(y+2)= | | 5(5x+2)=135 | | an=n-1n+2 | | -6/7t=1/2 | | 1.4+2.3-36= | | x-iy=1+ix | | 1.4+2.3= |

Equations solver categories