-20-r=-31

Simple and best practice solution for -20-r=-31 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 -20-r=-31 equation:


Simplifying
-20 + -1r = -31

Solving
-20 + -1r = -31

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + -1r = -31 + 20

Combine like terms: -20 + 20 = 0
0 + -1r = -31 + 20
-1r = -31 + 20

Combine like terms: -31 + 20 = -11
-1r = -11

Divide each side by '-1'.
r = 11

Simplifying
r = 11

See similar equations:

| 3x+4y-2x-5= | | -7m+9m=11 | | -x^2-9x+36= | | 6(x-1/8-2x-3/16)=3(3x/4-1/4)-3/8(3x-2) | | 22=6-(1-n) | | -0.04x^2+7.5x+10.2=0 | | ln(x-4)+ln(6*x-5)=ln*5 | | B+18+36b=74 | | x*0.06+y=5.70 | | b+(-12)=-30 | | 138=7y+5 | | -1y(5y^3-3y^2+2y)= | | 1270/375 | | 3(4m-5)=-87 | | -45x^2-45x=0 | | k^2-11k+30=30 | | x=-3y+9 | | -x^2-4x+128= | | 42/28 | | 4y^2-x^2+4=0 | | 12-3(4x+2y)= | | .75x+1=2x+5 | | .2d-1.2=.4d+2 | | 9-8f=1+1-9f | | 2x+3y=42.50 | | -3r-3/2r-4.5=-9/2-9/2r | | 3(x+1)=31 | | -2(9x+4)= | | 7+x=5x+13 | | 11=c/15 | | -x-40=3x+16 | | 4k-k+3=k+6-9 |

Equations solver categories