36=r*400

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Solution for 36=r*400 equation:


Simplifying
36 = r * 400

Reorder the terms for easier multiplication:
36 = 400r

Solving
36 = 400r

Solving for variable 'r'.

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

Add '-400r' to each side of the equation.
36 + -400r = 400r + -400r

Combine like terms: 400r + -400r = 0
36 + -400r = 0

Add '-36' to each side of the equation.
36 + -36 + -400r = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -400r = 0 + -36
-400r = 0 + -36

Combine like terms: 0 + -36 = -36
-400r = -36

Divide each side by '-400'.
r = 0.09

Simplifying
r = 0.09

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