8r+3=9r-6

Simple and best practice solution for 8r+3=9r-6 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 8r+3=9r-6 equation:


Simplifying
8r + 3 = 9r + -6

Reorder the terms:
3 + 8r = 9r + -6

Reorder the terms:
3 + 8r = -6 + 9r

Solving
3 + 8r = -6 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
3 + 8r + -9r = -6 + 9r + -9r

Combine like terms: 8r + -9r = -1r
3 + -1r = -6 + 9r + -9r

Combine like terms: 9r + -9r = 0
3 + -1r = -6 + 0
3 + -1r = -6

Add '-3' to each side of the equation.
3 + -3 + -1r = -6 + -3

Combine like terms: 3 + -3 = 0
0 + -1r = -6 + -3
-1r = -6 + -3

Combine like terms: -6 + -3 = -9
-1r = -9

Divide each side by '-1'.
r = 9

Simplifying
r = 9

See similar equations:

| 7sinx=34 | | n+50=135 | | 4x-28=88 | | w(t)=700(0.995)3 | | 78x+70y= | | 10-3(5m+5)+17m= | | 14=s+17 | | 3x+21=x+56 | | g-6=12 | | vf=0(90)(.43) | | 60x+40= | | 8(7p-1)-(2p+14)=20+19p | | 7x+12-x=24-4x+12 | | 9(d+47)=-27 | | 3x+18=102+8x | | 75x+200=70x+250 | | 100x+84= | | 3/b-5=-4 | | f(x)=x^4+x^3-12 | | -33=6w+3(w-3) | | 100x+84y= | | (2x-3)(-x+4)=(2x-3)(3x+8) | | 27=3(s-72) | | 10+6y=40 | | 5x-3=53 | | 4-x/5=2x-1/3 | | 8-3(2k+9)+2(7+5)=2 | | (6x+3)=(3x+8) | | 1200x+1000y= | | -4/7-1/2v=-1/3 | | x+2x^2y-3y^2=0 | | 9v+46=5(v+6) |

Equations solver categories