24.5=7.5(2r+4.5)

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Solution for 24.5=7.5(2r+4.5) equation:


Simplifying
24.5 = 7.5(2r + 4.5)

Reorder the terms:
24.5 = 7.5(4.5 + 2r)
24.5 = (4.5 * 7.5 + 2r * 7.5)
24.5 = (33.75 + 15r)

Solving
24.5 = 33.75 + 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
24.5 + -15r = 33.75 + 15r + -15r

Combine like terms: 15r + -15r = 0
24.5 + -15r = 33.75 + 0
24.5 + -15r = 33.75

Add '-24.5' to each side of the equation.
24.5 + -24.5 + -15r = 33.75 + -24.5

Combine like terms: 24.5 + -24.5 = 0.0
0.0 + -15r = 33.75 + -24.5
-15r = 33.75 + -24.5

Combine like terms: 33.75 + -24.5 = 9.25
-15r = 9.25

Divide each side by '-15'.
r = -0.6166666667

Simplifying
r = -0.6166666667

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