2(-4r-12)+5r=-9

Simple and best practice solution for 2(-4r-12)+5r=-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 2(-4r-12)+5r=-9 equation:


2(-4r-12)+5r=-9

We simplify the equation to the form, which is simple to understand 
2(-4r-12)+5r=-9

Reorder the terms in parentheses
+(-8r-24)+5r=-9

Remove unnecessary parentheses
-8r-24+5r=-9

We move all terms containing r to the left and all other terms to the right. 
-8r+5r=-9+24

We simplify left and right side of the equation. 
-3r=+15

We divide both sides of the equation by -3 to get r. 
r=-5

See similar equations:

| -2x^2+5x-1=0 | | 1/3-13=45 | | 85=175t+16t^2 | | -12x+6=-6 | | -x-9-4x=31 | | v*3x= | | n^2+1n-90=0 | | -(4/(y+2))=(5/(2y+4))+2 | | -b+1=-5b+5 | | -9n=-76.5 | | -4.1x^2+7.1x+145=0 | | .40x+.50(10)=.20(111) | | v^2+36=0 | | 4(x+1)-10=5(5x-1) | | 3(12-g)=9+8 | | -5=-50+5(4x-10) | | 2x=18kx | | (n-10)*3=30 | | -6=x-2(-x+6) | | n+4n=20 | | 2x(x+6)= | | (n+1)*3=18 | | 3x+8+4y=20 | | 49y^2-121=0 | | 2*x^2-31*x=0 | | -x-10=-2 | | n+28=43 | | 3y-2y=6 | | 1/3*3.14*25=300 | | 1/3*3.14*25= | | 2(-3x+5)-5x=10 | | 9x-8=9(x+4) |

Equations solver categories