3r+13=9r-17

Simple and best practice solution for 3r+13=9r-17 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+13=9r-17 equation:


Simplifying
3r + 13 = 9r + -17

Reorder the terms:
13 + 3r = 9r + -17

Reorder the terms:
13 + 3r = -17 + 9r

Solving
13 + 3r = -17 + 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.
13 + 3r + -9r = -17 + 9r + -9r

Combine like terms: 3r + -9r = -6r
13 + -6r = -17 + 9r + -9r

Combine like terms: 9r + -9r = 0
13 + -6r = -17 + 0
13 + -6r = -17

Add '-13' to each side of the equation.
13 + -13 + -6r = -17 + -13

Combine like terms: 13 + -13 = 0
0 + -6r = -17 + -13
-6r = -17 + -13

Combine like terms: -17 + -13 = -30
-6r = -30

Divide each side by '-6'.
r = 5

Simplifying
r = 5

See similar equations:

| 11z=605 | | 5(x-4)=3x+7 | | y^2+12y+7=0 | | 2x+90=1.50(x+90) | | N/27=52 | | -3x-21y=-36 | | 12x-(3x-5)=23 | | -x+2y=5 | | X+64=237 | | .30x+270=.50(300+x) | | t^-1/2=7 | | x+.6=.60(x+3) | | 5x+6=x+1 | | -8.2s+3s=20.8 | | 14=-3(24-z)+2(z-2) | | 9x+60=7(x+20) | | 7b+8-2b=48 | | 67.5=7.5n | | s/-8=16 | | 3y^2+8y-16=0 | | 5x3/4x16 | | 2+.70=1.30(x+700) | | 39-3x=6x+15 | | f(x)=-6x^2+9x+5 | | .10x+80=.20(100+x) | | x^3+2x^2+2sx+4=0 | | 5-(4-4x)=3 | | 5x+13=-443-9x | | x-3(2-x)=4x-(x-1) | | 5k^-2d^4/9k^5d^-5 | | 7x+120=5(x+30) | | 6(q-5)=42 |

Equations solver categories