4r-9=0

Simple and best practice solution for 4r-9=0 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 4r-9=0 equation: 


Simplifying
4r + -9 = 0

Reorder the terms:
-9 + 4r = 0

Solving
-9 + 4r = 0

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 4r = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 4r = 0 + 9
4r = 0 + 9

Combine like terms: 0 + 9 = 9
4r = 9

Divide each side by '4'.
r = 2.25

Simplifying
r = 2.25

See similar equations:

| 13+1.75y=-3 | | 1/2xy=1 | | 9(2x+1)-3x=2(2x-3) | | 9(w-5)=4w-30 | | x+84=180 | | 3y^2/6xy | | 4x/2=14x-18 | | 5(w-2)=7w+2-4(-3w-1) | | 5x-3x=3x+3 | | 6x=179 | | 2r+7.6=31.6 | | 9a+8=98 | | 4(x+6)=6x+14 | | 45h=20h^3 | | 4x^2-35x-35=0 | | 0.2=2 | | 4-(2x+10)=24-8x | | 8w=w+63 | | 14-3/4x=2 | | 10x-15y/10-5y | | 4x-10=2x-12 | | X+.08x=8 | | z-1=17 | | 50e^7t+3=100 | | (9c/4b)/(3c/2b^5c^2) | | y+60=91 | | 7s-19=184 | | l=1680/8*6 | | x-30=-19 | | z+24=104 | | y-58=-46 | | -2+0.5y+y=34 |

Equations solver categories