5=5(9-2r)

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Solution for 5=5(9-2r) equation:


Simplifying
5 = 5(9 + -2r)
5 = (9 * 5 + -2r * 5)
5 = (45 + -10r)

Solving
5 = 45 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
5 + 10r = 45 + -10r + 10r

Combine like terms: -10r + 10r = 0
5 + 10r = 45 + 0
5 + 10r = 45

Add '-5' to each side of the equation.
5 + -5 + 10r = 45 + -5

Combine like terms: 5 + -5 = 0
0 + 10r = 45 + -5
10r = 45 + -5

Combine like terms: 45 + -5 = 40
10r = 40

Divide each side by '10'.
r = 4

Simplifying
r = 4

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