16.5+1.5=12+2r

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Solution for 16.5+1.5=12+2r equation:


Simplifying
16.5 + 1.5 = 12 + 2r

Combine like terms: 16.5 + 1.5 = 18
18 = 12 + 2r

Solving
18 = 12 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
18 + -2r = 12 + 2r + -2r

Combine like terms: 2r + -2r = 0
18 + -2r = 12 + 0
18 + -2r = 12

Add '-18' to each side of the equation.
18 + -18 + -2r = 12 + -18

Combine like terms: 18 + -18 = 0
0 + -2r = 12 + -18
-2r = 12 + -18

Combine like terms: 12 + -18 = -6
-2r = -6

Divide each side by '-2'.
r = 3

Simplifying
r = 3

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