165=5(1+8r)

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Solution for 165=5(1+8r) equation:


Simplifying
165 = 5(1 + 8r)
165 = (1 * 5 + 8r * 5)
165 = (5 + 40r)

Solving
165 = 5 + 40r

Solving for variable 'r'.

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

Add '-40r' to each side of the equation.
165 + -40r = 5 + 40r + -40r

Combine like terms: 40r + -40r = 0
165 + -40r = 5 + 0
165 + -40r = 5

Add '-165' to each side of the equation.
165 + -165 + -40r = 5 + -165

Combine like terms: 165 + -165 = 0
0 + -40r = 5 + -165
-40r = 5 + -165

Combine like terms: 5 + -165 = -160
-40r = -160

Divide each side by '-40'.
r = 4

Simplifying
r = 4

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