-21m-8=90

Simple and best practice solution for -21m-8=90 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 -21m-8=90 equation: 


Simplifying
-21m + -8 = 90

Reorder the terms:
-8 + -21m = 90

Solving
-8 + -21m = 90

Solving for variable 'm'.

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

Add '8' to each side of the equation.
-8 + 8 + -21m = 90 + 8

Combine like terms: -8 + 8 = 0
0 + -21m = 90 + 8
-21m = 90 + 8

Combine like terms: 90 + 8 = 98
-21m = 98

Divide each side by '-21'.
m = -4.666666667

Simplifying
m = -4.666666667

See similar equations:

| 63t=350 | | 6(x-4)=9(x-4) | | 1/2t=-1/3 | | 0.6666666666667(x+6)=2 | | 7x-23=12 | | z(3z-8)(z+3)=0 | | 3=3-6b-7b | | 17w-28=11 | | 0.10x+0.80(100)=0.20(100+x) | | 9s+6s= | | 6a^2+7a^2+8a^2-10a^2= | | 40(t+0.5)=50t | | 7z-4+8-5z= | | 3-0.75x-7=5 | | (3p^2/2p^6)^-2 | | 11y-6y-3y-y= | | 8m-3m-2m+7m= | | -x+2=-0.666666666667x | | 13/2-2 | | 70(t+0.5)=75t | | 3/5×(-5/8) | | 18x^2-12x^2= | | 0.1x+2y+5z=100 | | -x-9=x+7 | | 4=4-7n-3n | | 210=4x-(3x-2) | | -2=-10-10p | | 5x+3y-2x-2y= | | y^3-14y^2+48=0 | | 7y+y=24 | | 5=-3+2p | | 1200t+1100t=10350 |

Equations solver categories