2.1(2r)=

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Solution for 2.1(2r)= equation: 


Simplifying
2.1(2r) = 0

Remove parenthesis around (2r)
2.1 * 2r = 0

Multiply 2.1 * 2
4.2r = 0

Solving
4.2r = 0

Solving for variable 'r'.

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

Divide each side by '4.2'.
r = 0

Simplifying
r = 0

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