3(1-4r)=87

Simple and best practice solution for 3(1-4r)=87 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(1-4r)=87 equation: 


Simplifying
3(1 + -4r) = 87
(1 * 3 + -4r * 3) = 87
(3 + -12r) = 87

Solving
3 + -12r = 87

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -12r = 87 + -3

Combine like terms: 3 + -3 = 0
0 + -12r = 87 + -3
-12r = 87 + -3

Combine like terms: 87 + -3 = 84
-12r = 84

Divide each side by '-12'.
r = -7

Simplifying
r = -7

See similar equations:

| 14x+7-2x=2(5+6x) | | 6(4x+7)=24x-9 | | 3x^2-15x-153=0 | | [2(4x-3)+2]= | | 4=2n+4 | | 54/9=30/x | | 6a+6=-16 | | x-x^2=18 | | 92=3x+5 | | 4(m+9)=32 | | -5x+16x= | | 2(3x+2)=3(x-4)+5 | | 7g=-14 | | 41,25/1.25 | | 8a-2+1a+5a= | | 10/;( | | 10+12y(3)=2g+40 | | 4x+3.29=x-4.39 | | 16-y=15 | | 6x+15y=2000 | | 4-6x+7=35 | | 11.3-4b=4.7 | | 22y+36=2g+40 | | -24+12d=2(D-3)+22 | | B=(3x+7)(3x+7)+(-x+4)(-x+4) | | 7x=10x-2.25 | | 20-11=3(x-2) | | 7x=2x+3.75 | | 7x-3x-7= | | Y=x^2+8x+13 | | 2/7x1/7=3/14 | | 3=7-2g |

Equations solver categories