4r+9=12

Simple and best practice solution for 4r+9=12 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=12 equation:


4r+9=12

We simplify the equation to the form, which is simple to understand 
4r+9=12

We move all terms containing r to the left and all other terms to the right. 
+4r=+12-9

We simplify left and right side of the equation. 
+4r=+3

We divide both sides of the equation by 4 to get r. 
r=0.75

See similar equations:

| 169x^2-64y^2= | | 1x-9=12x-20 | | 2n-6=-3 | | 6(-2-5)-8x= | | 83+83= | | -9+5p=6p-2 | | -3.25d=5.278 | | 7x-8y=-2 | | -9+5p=6p-21 | | 6(-2-5)= | | x(8-x)+2=-10 | | a/1.23=0.2 | | 5a+4a+2a+2a-5a=16 | | 7x-4=12+3x | | 300=250+x | | m/8=5 | | 108-6x=21x+15 | | 14b-5b=9 | | x/2+1=15 | | 3t-t=10 | | 9(2j+3)=3(6j+9) | | 4s-3s=2 | | 35+8a=-7(8a-5) | | 6z-4z=12 | | 2h-16=3h-6 | | 87=5(3+x)+4x | | (2/5)+(7/8)=(y/20) | | 100y+15=75y+17x | | x=-0.5+-2 | | (7x+14)+26+(180-(10+10x))=180 | | e^11x-1=(e^9)x | | 2d+2=5d-11 |

Equations solver categories