-2(r+9)=-28

Simple and best practice solution for -2(r+9)=-28 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 -2(r+9)=-28 equation:


Simplifying
-2(r + 9) = -28

Reorder the terms:
-2(9 + r) = -28
(9 * -2 + r * -2) = -28
(-18 + -2r) = -28

Solving
-18 + -2r = -28

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + -2r = -28 + 18

Combine like terms: -18 + 18 = 0
0 + -2r = -28 + 18
-2r = -28 + 18

Combine like terms: -28 + 18 = -10
-2r = -10

Divide each side by '-2'.
r = 5

Simplifying
r = 5

See similar equations:

| x^3+10x=25 | | 4r-6r=16 | | 5x-3=10x-30 | | 6n^2-11=0 | | y=8x+4 | | -5-3x-4x=-12 | | 9n+4=3n^2-0.75 | | -10p+9p=2 | | 10(3x+4)=5x-12 | | m-5+6m=23 | | x(x-4)(2x+3)=0 | | -n+2n=-2 | | X^2+6y-7=0 | | 3+9c=12c | | -5(3x^2-6x+2)= | | 3(c-2)=4(c-3) | | -4+r-3r=-6 | | 9y+5=3+5y | | 5x-3-32=10x | | 2+9+3=45 | | 6n-8-n=-18 | | 2x(x-12)=-40 | | 2x+4x+5-15=4x-20+50 | | 4n-3n=-8 | | 3x^2+2x=12-7x | | 9n-8=64 | | x+37=78 | | d=5r+8w | | -4(x+1)-11=13+8 | | 4x+6=54 | | 4+3k-1=6 | | p^2-9=0 |

Equations solver categories