9r-2(2r+9)=-3

Simple and best practice solution for 9r-2(2r+9)=-3 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-2(2r+9)=-3 equation:


Simplifying
9r + -2(2r + 9) = -3

Reorder the terms:
9r + -2(9 + 2r) = -3
9r + (9 * -2 + 2r * -2) = -3
9r + (-18 + -4r) = -3

Reorder the terms:
-18 + 9r + -4r = -3

Combine like terms: 9r + -4r = 5r
-18 + 5r = -3

Solving
-18 + 5r = -3

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 + 5r = -3 + 18

Combine like terms: -18 + 18 = 0
0 + 5r = -3 + 18
5r = -3 + 18

Combine like terms: -3 + 18 = 15
5r = 15

Divide each side by '5'.
r = 3

Simplifying
r = 3

See similar equations:

| 3(5-x)=10(x-2) | | -58.109=y-47.736 | | solve(x+3)(x+10)=0 | | 116-9x=-34-10x | | 40+14=2(-14j-13) | | 3x+3=6x+9 | | 6-7x=6x-8x-14 | | t^2+20t+19= | | -3.3x-0.24=-17.4 | | 3x+-5=2x+5 | | 6X+13=6X | | 36b-3=0 | | (x+3)(x+10)=0 | | 4(1-3n)-14=4(2n+3)-9 | | 2(2y-3)=y-6 | | 6(5-4h)=3(4h-2)-7(6+8h) | | 5x+6+3x-10=180 | | 8a+7(-1-7a)=7(a+7)-8 | | 5v-34=36 | | 4(3m-4)=2m+6 | | 136*0.1= | | -1/2-7=-11 | | 7x+4x=110 | | 8+f-2=-12 | | 8d-d+3d+6=4d | | 155*-0.0155= | | 4(6y-9)+7= | | 3(x-5)=2x+5+3x | | 5c+1=7c-14-2c | | -2k+3=14 | | -30=-2x | | 5x=4x+24 |

Equations solver categories