-8(4+9r)=7(r-11r)

Simple and best practice solution for -8(4+9r)=7(r-11r) 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 -8(4+9r)=7(r-11r) equation:


Simplifying
-8(4 + 9r) = 7(r + -11r)
(4 * -8 + 9r * -8) = 7(r + -11r)
(-32 + -72r) = 7(r + -11r)

Combine like terms: r + -11r = -10r
-32 + -72r = 7(-10r)

Remove parenthesis around (-10r)
-32 + -72r = 7 * -10r

Multiply 7 * -10
-32 + -72r = -70r

Solving
-32 + -72r = -70r

Solving for variable 'r'.

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

Add '70r' to each side of the equation.
-32 + -72r + 70r = -70r + 70r

Combine like terms: -72r + 70r = -2r
-32 + -2r = -70r + 70r

Combine like terms: -70r + 70r = 0
-32 + -2r = 0

Add '32' to each side of the equation.
-32 + 32 + -2r = 0 + 32

Combine like terms: -32 + 32 = 0
0 + -2r = 0 + 32
-2r = 0 + 32

Combine like terms: 0 + 32 = 32
-2r = 32

Divide each side by '-2'.
r = -16

Simplifying
r = -16

See similar equations:

| 12-x=8x+4 | | 6*7-8=7 | | 8(x-2)=8x | | 2x-2=5x+8 | | 12x+17=13x+1 | | -7x-9=-23 | | w^2-7w-110=0 | | -12+3/4x=3 | | 4n+14=6n | | 5g+4y(-5+3g)=16g | | 9x+11=-1x-5 | | 12(x+2)=2(6x-4)+32 | | 7(2c-5)=25 | | -7392(18x-172)=0 | | 2x+3=2x-(3x+2)+6 | | c-4=18 | | 8x+3=3*2x-1 | | (6-x^2)-(36+12x+x^2)= | | (14+a)+16= | | w+-19=79 | | 6(3x+5)=2(6x-21)+6x | | 3=-5n+2 | | x^2-13x+53=17 | | 5+4x=-11x | | 12x+2=2(6x-4)+32 | | 54=2x^2-3x | | (-7)+7=0 | | 36a^2-12a+1= | | 5(3-2x)=3-4x | | -7921+15(198x-178)=0 | | y=4(3)-9 | | 5(7+8r)-2r=-9-6r |

Equations solver categories