8(r-2)=3(r-4)

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Solution for 8(r-2)=3(r-4) equation:


Simplifying
8(r + -2) = 3(r + -4)

Reorder the terms:
8(-2 + r) = 3(r + -4)
(-2 * 8 + r * 8) = 3(r + -4)
(-16 + 8r) = 3(r + -4)

Reorder the terms:
-16 + 8r = 3(-4 + r)
-16 + 8r = (-4 * 3 + r * 3)
-16 + 8r = (-12 + 3r)

Solving
-16 + 8r = -12 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-16 + 8r + -3r = -12 + 3r + -3r

Combine like terms: 8r + -3r = 5r
-16 + 5r = -12 + 3r + -3r

Combine like terms: 3r + -3r = 0
-16 + 5r = -12 + 0
-16 + 5r = -12

Add '16' to each side of the equation.
-16 + 16 + 5r = -12 + 16

Combine like terms: -16 + 16 = 0
0 + 5r = -12 + 16
5r = -12 + 16

Combine like terms: -12 + 16 = 4
5r = 4

Divide each side by '5'.
r = 0.8

Simplifying
r = 0.8

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