16=3.50+2.50r

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Solution for 16=3.50+2.50r equation: 


Simplifying
16 = 3.50 + 2.50r

Solving
16 = 3.50 + 2.50r

Solving for variable 'r'.

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

Add '-2.50r' to each side of the equation.
16 + -2.50r = 3.50 + 2.50r + -2.50r

Combine like terms: 2.50r + -2.50r = 0.00
16 + -2.50r = 3.50 + 0.00
16 + -2.50r = 3.50

Add '-16' to each side of the equation.
16 + -16 + -2.50r = 3.50 + -16

Combine like terms: 16 + -16 = 0
0 + -2.50r = 3.50 + -16
-2.50r = 3.50 + -16

Combine like terms: 3.50 + -16 = -12.5
-2.50r = -12.5

Divide each side by '-2.50'.
r = 5

Simplifying
r = 5

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