-4(8-5r)+4r=7(r-7)

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Solution for -4(8-5r)+4r=7(r-7) equation:


Simplifying
-4(8 + -5r) + 4r = 7(r + -7)
(8 * -4 + -5r * -4) + 4r = 7(r + -7)
(-32 + 20r) + 4r = 7(r + -7)

Combine like terms: 20r + 4r = 24r
-32 + 24r = 7(r + -7)

Reorder the terms:
-32 + 24r = 7(-7 + r)
-32 + 24r = (-7 * 7 + r * 7)
-32 + 24r = (-49 + 7r)

Solving
-32 + 24r = -49 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-32 + 24r + -7r = -49 + 7r + -7r

Combine like terms: 24r + -7r = 17r
-32 + 17r = -49 + 7r + -7r

Combine like terms: 7r + -7r = 0
-32 + 17r = -49 + 0
-32 + 17r = -49

Add '32' to each side of the equation.
-32 + 32 + 17r = -49 + 32

Combine like terms: -32 + 32 = 0
0 + 17r = -49 + 32
17r = -49 + 32

Combine like terms: -49 + 32 = -17
17r = -17

Divide each side by '17'.
r = -1

Simplifying
r = -1

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