3r+4=18r+9

Simple and best practice solution for 3r+4=18r+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 3r+4=18r+9 equation:


Simplifying
3r + 4 = 18r + 9

Reorder the terms:
4 + 3r = 18r + 9

Reorder the terms:
4 + 3r = 9 + 18r

Solving
4 + 3r = 9 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
4 + 3r + -18r = 9 + 18r + -18r

Combine like terms: 3r + -18r = -15r
4 + -15r = 9 + 18r + -18r

Combine like terms: 18r + -18r = 0
4 + -15r = 9 + 0
4 + -15r = 9

Add '-4' to each side of the equation.
4 + -4 + -15r = 9 + -4

Combine like terms: 4 + -4 = 0
0 + -15r = 9 + -4
-15r = 9 + -4

Combine like terms: 9 + -4 = 5
-15r = 5

Divide each side by '-15'.
r = -0.3333333333

Simplifying
r = -0.3333333333

See similar equations:

| 57+p=63+19 | | x^2-5x+36=0 | | 8m^2-7m=0 | | 3x-2(x+1)=x+5 | | -6(-7x+4)=270 | | 7(8t+1)-13=t-(t+5) | | 5x-2x+2=10 | | 2x^2+7x-147=0 | | 20x-24+6x=3x-6+1 | | -6-(3z-2)=5z-4(2z+1) | | 4(-3+5x)=-12 | | x(3x-5)=26 | | 2p+1= | | 12a=10a-8 | | (q-5)=2(q+5) | | -7(6-6x)=-84 | | 7x+3x=33-3 | | 3d^2+7d+2=0 | | 3+3x=7x-33 | | 5(10-4x)=210 | | 4(2x-5)=3x+15 | | 12-6r-14=9-4r-7-2r | | 7x+3=3x-33 | | 29+q+18=51 | | 3(7x+4)=-135 | | 7x+3=3x+33 | | -11b-5=-5b+23-10 | | 02x^2+17x-8.5= | | 3x-7x=33+3 | | 4(5t-10)=67 | | (2x+5)(9x^2+3x+4)=0 | | 3x+7x=33-3 |

Equations solver categories