12-r=7

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


Simplifying
12 + -1r = 7

Solving
12 + -1r = 7

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 + -1r = 7 + -12

Combine like terms: 12 + -12 = 0
0 + -1r = 7 + -12
-1r = 7 + -12

Combine like terms: 7 + -12 = -5
-1r = -5

Divide each side by '-1'.
r = 5

Simplifying
r = 5

See similar equations:

| 10-q=6 | | 2+y=-2 | | 9-p=8 | | 6-n=3 | | -120-8x=9x+16 | | 4-m=2 | | 9-v=4 | | x^2-13x+2=0 | | 5-u=3 | | P=Y+c+6y+-2c+y+c+2c+3y+-c+2y+3y+-c+2c | | 4c^2-9c-3=0 | | 8-d=2 | | 9-z=7 | | 7-y=2 | | 2k^2+4k+3=0 | | D=3p+p+-2p+-p+5p+5p+6r+4r+2r+2r+-3r+-3r | | 3x+6=-82-8x | | (x-2)2-25=0 | | P=(2f+-8)*4 | | 4x+5-11x=19 | | 6p+7+2p-3= | | X^2+4x-1=0 | | 2x+8y=32 | | 2r+6=5 | | 2x(2x-7)(4x+3)=0 | | 2t+7+5t= | | P=(8y-4)*5 | | 15m-41=4(2m-5) | | F=12p+-4p+-p+-p | | P=-3h+6h | | 23-7y+10y=-13 | | 46-5x=4x+17 |

Equations solver categories