8r-(5r+9)=27

Simple and best practice solution for 8r-(5r+9)=27 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 8r-(5r+9)=27 equation:


Simplifying
8r + -1(5r + 9) = 27

Reorder the terms:
8r + -1(9 + 5r) = 27
8r + (9 * -1 + 5r * -1) = 27
8r + (-9 + -5r) = 27

Reorder the terms:
-9 + 8r + -5r = 27

Combine like terms: 8r + -5r = 3r
-9 + 3r = 27

Solving
-9 + 3r = 27

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 3r = 27 + 9

Combine like terms: -9 + 9 = 0
0 + 3r = 27 + 9
3r = 27 + 9

Combine like terms: 27 + 9 = 36
3r = 36

Divide each side by '3'.
r = 12

Simplifying
r = 12

See similar equations:

| -3a=3 | | abs(-4-4u)/(4-3u) | | 8x^2-43-30=0 | | 4(d+2)-2d=3d+6 | | 9x+18=9(x+9) | | 2x+7=3(x+8) | | -4=1/2x | | 5c=-10 | | x+(x-6)=4 | | 6x-30=3x-18 | | 36x-18=18(2x-1) | | 7/4x4/2 | | 3/0*1/3 | | 5a+8a+9a-5= | | f(-12)=3x | | 6x-5=3x-6 | | 6=2m | | 8x-3x+4=2x+19 | | g=10-4h | | 0.25y+0.10x=9.45 | | 5x-5=1/9(x-5) | | f(0)=3x | | 0.25x+0.10y=9.45 | | 44=u/2 | | 0044=u/2 | | x+3+x+3=-(x*4)+(3x-2) | | 4(6-7x)=24-42x | | 12+m=-4 | | -7+a=-9 | | (25/4)/2 | | 3q+9p=6 | | -4x-23+6=0 |

Equations solver categories