4r=4.5(r-5)

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Solution for 4r=4.5(r-5) equation:


Simplifying
4r = 4.5(r + -5)

Reorder the terms:
4r = 4.5(-5 + r)
4r = (-5 * 4.5 + r * 4.5)
4r = (-22.5 + 4.5r)

Solving
4r = -22.5 + 4.5r

Solving for variable 'r'.

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

Add '-4.5r' to each side of the equation.
4r + -4.5r = -22.5 + 4.5r + -4.5r

Combine like terms: 4r + -4.5r = -0.5r
-0.5r = -22.5 + 4.5r + -4.5r

Combine like terms: 4.5r + -4.5r = 0.0
-0.5r = -22.5 + 0.0
-0.5r = -22.5

Divide each side by '-0.5'.
r = 45

Simplifying
r = 45

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