163=10-9r

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Solution for 163=10-9r equation:


Simplifying
163 = 10 + -9r

Solving
163 = 10 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
163 + 9r = 10 + -9r + 9r

Combine like terms: -9r + 9r = 0
163 + 9r = 10 + 0
163 + 9r = 10

Add '-163' to each side of the equation.
163 + -163 + 9r = 10 + -163

Combine like terms: 163 + -163 = 0
0 + 9r = 10 + -163
9r = 10 + -163

Combine like terms: 10 + -163 = -153
9r = -153

Divide each side by '9'.
r = -17

Simplifying
r = -17

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