2-r=-7

Simple and best practice solution for 2-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 2-r=-7 equation: 


Simplifying
2 + -1r = -7

Solving
2 + -1r = -7

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + -1r = -7 + -2

Combine like terms: 2 + -2 = 0
0 + -1r = -7 + -2
-1r = -7 + -2

Combine like terms: -7 + -2 = -9
-1r = -9

Divide each side by '-1'.
r = 9

Simplifying
r = 9

See similar equations:

| 11+m=.25-2m | | 3e+2(e+5)=-3f | | y^2-14y=4x-53 | | 66=2x+3(4x-6) | | 170*0.10=153 | | 2[3x+7]=2[4x-2] | | 26-3y=18 | | 152=19n | | 6w-3h=bforh | | 18t-23=-15 | | x^3-4x^2-7x=0 | | ln(x)(x^9+6)= | | 170*0.10= | | p-(-3)=-7 | | 33.8=(1.8*C)+32 | | -4(5x+3)=19x+4 | | 5=2x-3x-1 | | 21-4x=20 | | 14-7g+3=8g-83-19g | | 9r-3+8r=15 | | 3d-e=8 | | -77=-7y | | -n+4n+4= | | 12t^2-37t+10=0 | | 4w-9w=7-3w+7w+8 | | 3(11x+14)=9(-18-2x) | | 3.5=4.2 | | 5c-14=cd | | 3.8g=-204.12 | | y-4y+8y=x^3 | | 3.5=4.5 | | 3(x-4)+10=-7x+22 |

Equations solver categories