5(18)=9r

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Solution for 5(18)=9r equation:


Simplifying
5(18) = 9r

Multiply 5 * 18
90 = 9r

Solving
90 = 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.
90 + -9r = 9r + -9r

Combine like terms: 9r + -9r = 0
90 + -9r = 0

Add '-90' to each side of the equation.
90 + -90 + -9r = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -9r = 0 + -90
-9r = 0 + -90

Combine like terms: 0 + -90 = -90
-9r = -90

Divide each side by '-9'.
r = 10

Simplifying
r = 10

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