-6(7-7.5r)=28.5

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Solution for -6(7-7.5r)=28.5 equation:


Simplifying
-6(7 + -7.5r) = 28.5
(7 * -6 + -7.5r * -6) = 28.5
(-42 + 45r) = 28.5

Solving
-42 + 45r = 28.5

Solving for variable 'r'.

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

Add '42' to each side of the equation.
-42 + 42 + 45r = 28.5 + 42

Combine like terms: -42 + 42 = 0
0 + 45r = 28.5 + 42
45r = 28.5 + 42

Combine like terms: 28.5 + 42 = 70.5
45r = 70.5

Divide each side by '45'.
r = 1.566666667

Simplifying
r = 1.566666667

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