(r+9)(-4)=

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


Simplifying
(r + 9)(-4) = 0

Reorder the terms:
(9 + r)(-4) = 0

Reorder the terms for easier multiplication:
-4(9 + r) = 0
(9 * -4 + r * -4) = 0
(-36 + -4r) = 0

Solving
-36 + -4r = 0

Solving for variable 'r'.

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

Add '36' to each side of the equation.
-36 + 36 + -4r = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -4r = 0 + 36
-4r = 0 + 36

Combine like terms: 0 + 36 = 36
-4r = 36

Divide each side by '-4'.
r = -9

Simplifying
r = -9

See similar equations:

| 12-2(7-2t)=2(t-1) | | -5n+2-n=-10 | | 4/1/2p+1/2=7/1/4 | | 2/3k-1=5/6 | | 7(70-4)= | | x=1+0,5x | | solvex-5=4x-38 | | 12x^3+10x^2+8x=0 | | 14(21-11)= | | -1(75-9)= | | x^6+6x^3+5=0 | | 3(x-2)=16 | | 20x^2+185x+45=0 | | 6(3x-1)=-7(x+8) | | -8(700-3)= | | -p+2p+15=0 | | x/2-250=3x/7 | | 6+2(s-2t)= | | z-7z^1/2+12=0 | | 1/4/3 | | 5x+5=4+4x | | 2/3X=1/2X+7 | | 21-m=9 | | 10x+14=28 | | c-1/3=2/5 | | (x^2+7x+12)/(x+4) | | 2c=98 | | 24x+4+2x=30x-3 | | x^2(-4x)=12 | | 3x+(x+6)=-24-2x | | 0.5x+3y+10z=100 | | (x^2)-4x=12 |

Equations solver categories