5r-12=7r

Simple and best practice solution for 5r-12=7r 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 5r-12=7r equation:


Simplifying
5r + -12 = 7r

Reorder the terms:
-12 + 5r = 7r

Solving
-12 + 5r = 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-12 + 5r + -7r = 7r + -7r

Combine like terms: 5r + -7r = -2r
-12 + -2r = 7r + -7r

Combine like terms: 7r + -7r = 0
-12 + -2r = 0

Add '12' to each side of the equation.
-12 + 12 + -2r = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -2r = 0 + 12
-2r = 0 + 12

Combine like terms: 0 + 12 = 12
-2r = 12

Divide each side by '-2'.
r = -6

Simplifying
r = -6

See similar equations:

| 240-28x=-96 | | 3.9q-3.3-4.2q=-1.3q-4.6 | | 8-48=-4x+8x-3x | | 240-26x=-96 | | 7h+6h=62 | | 1/5x=-11 | | -4/5(x+15)=4 | | 26=3f+10f | | -20-(4x-1)= | | 18r^2=2r | | 4a^2+11a-3=0 | | -7x-7x=70 | | 25x^2-254x+247=0 | | -1/7=-4/5+x | | 5y^2-6=13y | | 30=p/30 | | 4.82x+4=23.2324+2x | | 6x+4x+3+9=3x+3+6x | | 11.95+p=18 | | 4(h-5)-5=6x+7.4-4x | | 6x+15=27 | | 1/5.5 | | -7/-7 | | 16+-7d=-3d+2 | | 1/3(6x+24)-20=-1/4(12x-72) | | 60+40+89+x=180 | | 16-7d=-33d+2 | | 8x-21=3x+14 | | 28=17/32x-23 | | Y=-16t*t+48t+2 | | 37894-7599A=3.593+17 | | 57+82+3x+8=180 |

Equations solver categories