r=-2r+9

Simple and best practice solution for r=-2r+9 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 r=-2r+9 equation:


Simplifying
r = -2r + 9

Reorder the terms:
r = 9 + -2r

Solving
r = 9 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
r + 2r = 9 + -2r + 2r

Combine like terms: r + 2r = 3r
3r = 9 + -2r + 2r

Combine like terms: -2r + 2r = 0
3r = 9 + 0
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

See similar equations:

| 8f-3=7f-10 | | -3h-10+3=7-5h | | (4x^5)-(x^4)-(x^3)-(x^2)-(x)=1.5111 | | -4w-10=8-10w | | -10v+4=-9v+10 | | 7+8y=y | | 1008=x(30-2x)(20-2x) | | 5g+9=6g | | a-3b+2a+(5b)= | | -5c=-6c-6 | | 2s=-10+s | | 4x^2-4x-75=0 | | C=8squarefb | | 3+10=-2 | | x*x*x-3=0 | | 6(x-2)=5.4 | | 9(a+5)=89.1 | | 25=20t+5t^2 | | 3e-9=9 | | 18pqrs+63q^2rs-45qrs= | | 6(a+2)=30 | | 15abc^2-6a^2bc+15ab^2c= | | 8t^2u^2+6tu^2v+9tuw= | | 8t^2u^2+ab^2-3ab= | | 3a^2b+ab-3ab= | | (4x)+17=25 | | x+4+9-1+7-u+5= | | 9y+x=22 | | (4x)-20=0 | | 3pq^2+4pr+2pqr= | | 7st+8su-6sv= | | 40x+30y=1090 |

Equations solver categories