4r(10)=100

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Solution for 4r(10)=100 equation: 


Simplifying
4r(10) = 100

Reorder the terms for easier multiplication:
4 * 10r = 100

Multiply 4 * 10
40r = 100

Solving
40r = 100

Solving for variable 'r'.

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

Divide each side by '40'.
r = 2.5

Simplifying
r = 2.5

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