-29.5=-7.5+(r-9.5)

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


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

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

Remove parenthesis around (-9.5 + r)
-29.5 = -7.5 + -9.5 + r

Combine like terms: -7.5 + -9.5 = -17
-29.5 = -17 + r

Solving
-29.5 = -17 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-29.5 + -1r = -17 + r + -1r

Combine like terms: r + -1r = 0
-29.5 + -1r = -17 + 0
-29.5 + -1r = -17

Add '29.5' to each side of the equation.
-29.5 + 29.5 + -1r = -17 + 29.5

Combine like terms: -29.5 + 29.5 = 0.0
0.0 + -1r = -17 + 29.5
-1r = -17 + 29.5

Combine like terms: -17 + 29.5 = 12.5
-1r = 12.5

Divide each side by '-1'.
r = -12.5

Simplifying
r = -12.5

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