0.4(4(9)+9)=18

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Solution for 0.4(4(9)+9)=18 equation: 


Simplifying
0.4(4(9) + 9) = 18

Multiply 4 * 9
0.4(36 + 9) = 18

Combine like terms: 36 + 9 = 45
0.4(45) = 18

Multiply 0.4 * 45
18 = 18

Add '-18' to each side of the equation.
18 + -18 = 18 + -18

Combine like terms: 18 + -18 = 0
0 = 18 + -18

Combine like terms: 18 + -18 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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