20r+240=80r-480

Simple and best practice solution for 20r+240=80r-480 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 20r+240=80r-480 equation:


Simplifying
20r + 240 = 80r + -480

Reorder the terms:
240 + 20r = 80r + -480

Reorder the terms:
240 + 20r = -480 + 80r

Solving
240 + 20r = -480 + 80r

Solving for variable 'r'.

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

Add '-80r' to each side of the equation.
240 + 20r + -80r = -480 + 80r + -80r

Combine like terms: 20r + -80r = -60r
240 + -60r = -480 + 80r + -80r

Combine like terms: 80r + -80r = 0
240 + -60r = -480 + 0
240 + -60r = -480

Add '-240' to each side of the equation.
240 + -240 + -60r = -480 + -240

Combine like terms: 240 + -240 = 0
0 + -60r = -480 + -240
-60r = -480 + -240

Combine like terms: -480 + -240 = -720
-60r = -720

Divide each side by '-60'.
r = 12

Simplifying
r = 12

See similar equations:

| -(x-5)-3x=4 | | 9sinx=0 | | n-.25=73.90 | | 3+3.2+3= | | 3p/5=18 | | r^2-3r-8=0 | | 9-4a=2a+11 | | 11r+15=0 | | -562=y+11.39 | | (3v+5)(1+v)=0 | | 7x-y-2x= | | c=4/(-1/7) | | 4/(1/7) | | 3+3.3= | | 20k/4=10 | | X^6-10x-9=0 | | Y=2cos(π/2) | | y-4/y^2-2y-15= | | 7m-12=3m+14 | | 2x+3.5=3x+1.5 | | 3√1/9 | | -9=t-3.1 | | X+6y+7z=44 | | 1/3XA | | 2x+13y=17 | | -7/8*1/4 | | 22-(x+7)=5x-3 | | 2-3y=18 | | (2/3)/(10/21) | | 3y/5=3 | | 36=2w+2(3w+10) | | 4/7x=1/6 |

Equations solver categories