9r-4+4r+8=

Simple and best practice solution for 9r-4+4r+8= 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 9r-4+4r+8= equation:


Simplifying
9r + -4 + 4r + 8 = 0

Reorder the terms:
-4 + 8 + 9r + 4r = 0

Combine like terms: -4 + 8 = 4
4 + 9r + 4r = 0

Combine like terms: 9r + 4r = 13r
4 + 13r = 0

Solving
4 + 13r = 0

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 13r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 13r = 0 + -4
13r = 0 + -4

Combine like terms: 0 + -4 = -4
13r = -4

Divide each side by '13'.
r = -0.3076923077

Simplifying
r = -0.3076923077

See similar equations:

| 5*18-4*4=-36 | | -x+4x-9=8x+6 | | 0.4(z+1)=y | | -8(h+1)+3(h-2)=-3h+2 | | 5(2x-3)+2(4x-2)= | | -5(1+5x)=26+6x | | 5(1-2w)(-5)+8w=15 | | (4a)(9b)(-2c)= | | 3x+3(.6x)=290.25 | | 24-5k=9 | | 4x-3x+8=92 | | 2+1.5p=2.5+p | | 30-6x=-3(5+7x) | | 3+3x=3+10 | | 3+s=25 | | 100y=30y-140 | | 3x+50=36 | | (X)(y)=7224 | | 28-N=2 | | 147p^2-12=0 | | -a+4a-9=7(x-4) | | 28-N= | | (7x+3y)(7x+3y)=0 | | 8x-64=3x+26 | | 4p=55 | | 4=55 | | 256m^2-100=0 | | -35w=5w+80 | | 3(p-8)=32-5p | | 60(60)+x(2)=61(61) | | 7a-10=9a | | 3x+3(.6x)=300 |

Equations solver categories