9r-91=-7+8t

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Solution for 9r-91=-7+8t equation:


Simplifying
9r + -91 = -7 + 8t

Reorder the terms:
-91 + 9r = -7 + 8t

Solving
-91 + 9r = -7 + 8t

Solving for variable 'r'.

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

Add '91' to each side of the equation.
-91 + 91 + 9r = -7 + 91 + 8t

Combine like terms: -91 + 91 = 0
0 + 9r = -7 + 91 + 8t
9r = -7 + 91 + 8t

Combine like terms: -7 + 91 = 84
9r = 84 + 8t

Divide each side by '9'.
r = 9.333333333 + 0.8888888889t

Simplifying
r = 9.333333333 + 0.8888888889t

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