3(12+9r)=-3(-11r-4)

Simple and best practice solution for 3(12+9r)=-3(-11r-4) 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 3(12+9r)=-3(-11r-4) equation: 


Simplifying
3(12 + 9r) = -3(-11r + -4)
(12 * 3 + 9r * 3) = -3(-11r + -4)
(36 + 27r) = -3(-11r + -4)

Reorder the terms:
36 + 27r = -3(-4 + -11r)
36 + 27r = (-4 * -3 + -11r * -3)
36 + 27r = (12 + 33r)

Solving
36 + 27r = 12 + 33r

Solving for variable 'r'.

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

Add '-33r' to each side of the equation.
36 + 27r + -33r = 12 + 33r + -33r

Combine like terms: 27r + -33r = -6r
36 + -6r = 12 + 33r + -33r

Combine like terms: 33r + -33r = 0
36 + -6r = 12 + 0
36 + -6r = 12

Add '-36' to each side of the equation.
36 + -36 + -6r = 12 + -36

Combine like terms: 36 + -36 = 0
0 + -6r = 12 + -36
-6r = 12 + -36

Combine like terms: 12 + -36 = -24
-6r = -24

Divide each side by '-6'.
r = 4

Simplifying
r = 4

See similar equations:

| 9+4b=1-b | | 3(-15p+20)=5(18-10p) | | 4x^2-3=37 | | 7(s+1)=8s | | 3(14+10b)=-6(-9-6b) | | 40x+4(1.5x)=644 | | -5(-c+13)=6c | | 8.1y-11.6y-0.16=-3.3y+2.24 | | 3x+y=390 | | 8=cry | | 4a+4b-8a+5ab-10b= | | -3.81+16.5z=16.8z | | 6.8u+0.63=0.58+5.5u-7.49 | | X^3+45X-98=0 | | 3x+8=2y-5x | | -15.01+15.1t=2.9+16t | | 7x-23x=18 | | -3+12=6-10+y | | 7x-23x= | | 5x-4x+4=14-19 | | 3a+6x-6a+3ax-1x= | | x-(.0352*x)=44.75 | | Y-9=-26 | | -(x-3)-3x=-13 | | 2(8u-3)=4(7u+6) | | p=a+2b+3cfora | | a^2-10a+ab-5=0 | | Z^4-3z^4=0 | | 3x+5-9=31 | | 2a^3+4a-12=0 | | 4m+3n+5m+9n= | | x^2+y^2+z^2-8x-8y-20z+123=0 |

Equations solver categories