3r-4=5(r-4)

Simple and best practice solution for 3r-4=5(r-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 3r-4=5(r-4) equation:


Simplifying
3r + -4 = 5(r + -4)

Reorder the terms:
-4 + 3r = 5(r + -4)

Reorder the terms:
-4 + 3r = 5(-4 + r)
-4 + 3r = (-4 * 5 + r * 5)
-4 + 3r = (-20 + 5r)

Solving
-4 + 3r = -20 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-4 + 3r + -5r = -20 + 5r + -5r

Combine like terms: 3r + -5r = -2r
-4 + -2r = -20 + 5r + -5r

Combine like terms: 5r + -5r = 0
-4 + -2r = -20 + 0
-4 + -2r = -20

Add '4' to each side of the equation.
-4 + 4 + -2r = -20 + 4

Combine like terms: -4 + 4 = 0
0 + -2r = -20 + 4
-2r = -20 + 4

Combine like terms: -20 + 4 = -16
-2r = -16

Divide each side by '-2'.
r = 8

Simplifying
r = 8

See similar equations:

| -6x-4=5x+5 | | -5x+4x-16=-4 | | 4=3y-17 | | 2x(x-2)-x(2x+5)=27 | | 2x-5=55-8x | | 12-5h=5h+h | | 2x+8=-17x | | 3x=1/6-1/3 | | 18(20.83333333+-1.666666667y)+30y=375 | | 6t+15=9t+18 | | j-2=2j-12 | | 3x-12+12=35x-140+12 | | 4x(4-1)(0.5)=138 | | x=20.83333333+-1.666666667y | | 6x^2-44x-144=0 | | 8x-3=96 | | 112x+7392=28x+168 | | 8a^3-12a^2+4= | | 3/5p-4/5=2/3p | | x+(x+2)+(x+4)=495 | | 121-25x^2=0 | | 5(x-2)+x=6(x+3)x-4 | | 6(x-2)=8x+12 | | 56-13=22 | | (3a-2b)*(a+b)= | | 4f+8=3f+12 | | 18x+30y=375 | | 2(4X-1)+5X+2=91 | | -8+2x-5x+5x=40 | | 17.6-9.9= | | 20x+25y=70 | | 7x-19=36 |

Equations solver categories