-9r+16=-11r-20

Simple and best practice solution for -9r+16=-11r-20 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 -9r+16=-11r-20 equation:


Simplifying
-9r + 16 = -11r + -20

Reorder the terms:
16 + -9r = -11r + -20

Reorder the terms:
16 + -9r = -20 + -11r

Solving
16 + -9r = -20 + -11r

Solving for variable 'r'.

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

Add '11r' to each side of the equation.
16 + -9r + 11r = -20 + -11r + 11r

Combine like terms: -9r + 11r = 2r
16 + 2r = -20 + -11r + 11r

Combine like terms: -11r + 11r = 0
16 + 2r = -20 + 0
16 + 2r = -20

Add '-16' to each side of the equation.
16 + -16 + 2r = -20 + -16

Combine like terms: 16 + -16 = 0
0 + 2r = -20 + -16
2r = -20 + -16

Combine like terms: -20 + -16 = -36
2r = -36

Divide each side by '2'.
r = -18

Simplifying
r = -18

See similar equations:

| 8+3p-3=9p+15-4p | | 3p+3q=28 | | 9m+7=97 | | -10x+1+7x=37 | | 2(2a+3b)= | | -14=2(u-2)-4u | | 10x-3(9-x)=4(-2x+5)-12 | | 7-5+8=y | | -3g+6+2g=12 | | -4(10-4x)=16x-40 | | 2(3x+10)+2(14x)=360 | | 3+5-2b=12 | | 7c-78=4c+17 | | 16-(-d)=132+2d | | 7m+10m= | | x^2+0.25+x=24.25 | | (2x+1)+(2x+5)+90=180 | | 5(-x)+9= | | 42-a=-2a+99 | | 5x+2-3x+7=-9 | | 100=20a | | y-(-14)=2y-9 | | -4[2-r]=28 | | 5n-6=8m+9 | | 4p+9=14+3p | | 25x^2+10x+1=1 | | 3p+4q=28 | | 6x-3=1-x | | 17-(-2x)=19-(-3x) | | 2p+3=5p+9 | | (5W-6)(5-W)=0 | | 17*x=225 |

Equations solver categories