8r-16=3r-4

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Solution for 8r-16=3r-4 equation:


Simplifying
8r + -16 = 3r + -4

Reorder the terms:
-16 + 8r = 3r + -4

Reorder the terms:
-16 + 8r = -4 + 3r

Solving
-16 + 8r = -4 + 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 = -4 + 3r + -3r

Combine like terms: 8r + -3r = 5r
-16 + 5r = -4 + 3r + -3r

Combine like terms: 3r + -3r = 0
-16 + 5r = -4 + 0
-16 + 5r = -4

Add '16' to each side of the equation.
-16 + 16 + 5r = -4 + 16

Combine like terms: -16 + 16 = 0
0 + 5r = -4 + 16
5r = -4 + 16

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

Divide each side by '5'.
r = 2.4

Simplifying
r = 2.4

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