3(4-r)=

Simple and best practice solution for 3(4-r)= 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(4-r)= equation: 


Simplifying
3(4 + -1r) = 0
(4 * 3 + -1r * 3) = 0
(12 + -3r) = 0

Solving
12 + -3r = 0

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + -3r = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3r = 0 + -12
-3r = 0 + -12

Combine like terms: 0 + -12 = -12
-3r = -12

Divide each side by '-3'.
r = 4

Simplifying
r = 4

See similar equations:

| 7x+13=-6 | | -20=2/3y-8 | | 3x+4(x+3)=2(3x+6) | | -6x-20=32-2x | | 4+2(2)(3)+9=x | | 3x-132=36+10x | | Z+7-7=-14-7 | | 18y^8/3y^3 | | -109-7x=119+12x | | W+5-5=8-5 | | -8.1w=4.86 | | -37+4x=-3x+61 | | W+5-5=-5 | | -3x-31=9-5x | | -4x-34=38-x | | 14.4=t-1.8 | | 12xr=-3 | | (a+b)t+2a-b=8 | | 5xy-4xy= | | S-1/9=15/18 | | (2x+15)+(3x-20)+(x+15)+x=360 | | 3x+6+5x-18=180 | | 0.35w=-1 | | -x^2+x+c=0 | | 3x+8(1.25x-9.5)=2 | | 10.6=b+12.4 | | Y+4X=380 | | 6a+(-3b)-(-a)-b= | | -10x=95 | | x2=x3+1 | | (abx)(3ab)= | | 2x^2-12x+17.5=0 |

Equations solver categories