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

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


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

Reorder the terms:
4(-8 + r) = 8(r + -5)
(-8 * 4 + r * 4) = 8(r + -5)
(-32 + 4r) = 8(r + -5)

Reorder the terms:
-32 + 4r = 8(-5 + r)
-32 + 4r = (-5 * 8 + r * 8)
-32 + 4r = (-40 + 8r)

Solving
-32 + 4r = -40 + 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.
-32 + 4r + -8r = -40 + 8r + -8r

Combine like terms: 4r + -8r = -4r
-32 + -4r = -40 + 8r + -8r

Combine like terms: 8r + -8r = 0
-32 + -4r = -40 + 0
-32 + -4r = -40

Add '32' to each side of the equation.
-32 + 32 + -4r = -40 + 32

Combine like terms: -32 + 32 = 0
0 + -4r = -40 + 32
-4r = -40 + 32

Combine like terms: -40 + 32 = -8
-4r = -8

Divide each side by '-4'.
r = 2

Simplifying
r = 2

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