4r+9=-8r-13

Simple and best practice solution for 4r+9=-8r-13 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=-8r-13 equation:


Simplifying
4r + 9 = -8r + -13

Reorder the terms:
9 + 4r = -8r + -13

Reorder the terms:
9 + 4r = -13 + -8r

Solving
9 + 4r = -13 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
9 + 4r + 8r = -13 + -8r + 8r

Combine like terms: 4r + 8r = 12r
9 + 12r = -13 + -8r + 8r

Combine like terms: -8r + 8r = 0
9 + 12r = -13 + 0
9 + 12r = -13

Add '-9' to each side of the equation.
9 + -9 + 12r = -13 + -9

Combine like terms: 9 + -9 = 0
0 + 12r = -13 + -9
12r = -13 + -9

Combine like terms: -13 + -9 = -22
12r = -22

Divide each side by '12'.
r = -1.833333333

Simplifying
r = -1.833333333

See similar equations:

| 2x+10-2x=10 | | -8-5n=64+3n-3n | | -3(4+3x)=4+7x | | 4+2x^2=46 | | 50d+60(d+10)=330 | | 2x(3x-2)(2x+5)=0 | | 1.3x-0.3=x+7 | | -(b-2)-2=4b+30 | | 8b^2-47b-4=2 | | 7x-9=40x | | 5(7p+3)=295 | | -6n+3=81 | | -1.75+0.75(4)=y | | x/3-7x/12=8.62 | | 34-8k=-7(k-6) | | 2(x+3)-5=3(2x-4) | | 3(2x-4)-5x=20-7x | | -2(2x+7)=-4x-14 | | 7(5x+3)=336 | | 8(n+3)=36+5n | | 6(x-2)=5(x+8) | | -25v=-100 | | 3x-5(x-2)=-4+5x-21 | | 95=7-8(m-5) | | x^3-(36x^2)+396x-1296=0 | | 523-x=.29x | | 2(c+2)=c-13 | | 14=(-7m-5) | | 7+x=4x+2 | | -7(1-6r)=19 | | -3(-5n+1)=-93 | | K-15=8 |

Equations solver categories