-29.5=-7.5+5(r-9.5)

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Solution for -29.5=-7.5+5(r-9.5) equation:


Simplifying
-29.5 = -7.5 + 5(r + -9.5)

Reorder the terms:
-29.5 = -7.5 + 5(-9.5 + r)
-29.5 = -7.5 + (-9.5 * 5 + r * 5)
-29.5 = -7.5 + (-47.5 + 5r)

Combine like terms: -7.5 + -47.5 = -55
-29.5 = -55 + 5r

Solving
-29.5 = -55 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-29.5 + -5r = -55 + 5r + -5r

Combine like terms: 5r + -5r = 0
-29.5 + -5r = -55 + 0
-29.5 + -5r = -55

Add '29.5' to each side of the equation.
-29.5 + 29.5 + -5r = -55 + 29.5

Combine like terms: -29.5 + 29.5 = 0.0
0.0 + -5r = -55 + 29.5
-5r = -55 + 29.5

Combine like terms: -55 + 29.5 = -25.5
-5r = -25.5

Divide each side by '-5'.
r = 5.1

Simplifying
r = 5.1

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