11=r-9

Simple and best practice solution for 11=r-9 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 11=r-9 equation:


Simplifying
11 = r + -9

Reorder the terms:
11 = -9 + r

Solving
11 = -9 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
11 + -1r = -9 + r + -1r

Combine like terms: r + -1r = 0
11 + -1r = -9 + 0
11 + -1r = -9

Add '-11' to each side of the equation.
11 + -11 + -1r = -9 + -11

Combine like terms: 11 + -11 = 0
0 + -1r = -9 + -11
-1r = -9 + -11

Combine like terms: -9 + -11 = -20
-1r = -20

Divide each side by '-1'.
r = 20

Simplifying
r = 20

See similar equations:

| -0.01x^2-0.3x+10=0 | | -2=-3x+3+7x | | x/6+14=4 | | 1/3x=1700 | | 5-3(3-2a)=12+8a | | x^2-30x+60=0 | | (-10/7)+1/6 | | b2s1/2j1/2=119 | | (3x+5)(4x-7)=0 | | 0.166(-4.01619-4)=0.33(2(-4.01619)+4) | | -6=t/4 | | 3(n+7)=8n-9 | | -21=x-1 | | (x+5)(x+5)+49=0 | | 1/3-(-5/3) | | 29=x+15 | | 10=a-2 | | 3+m=-15 | | 4x-8=6x-32 | | 6x^4-48x=0 | | 12=n+17 | | 6X^2+x=14 | | 1/4x=1/3x | | -5g-6forg=-2 | | 3.11x+14.96=7.83-23.41 | | x^3-5x^2+8x-10=0 | | 1/12-1/15 | | 8/20x12/18 | | 6-1/6 | | 2/5+4/5 | | 1993x+3991=9319-9913 | | 1x+11=22 |

Equations solver categories