3(5a)=90

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Solution for 3(5a)=90 equation: 


Simplifying
3(5a) = 90

Remove parenthesis around (5a)
3 * 5a = 90

Multiply 3 * 5
15a = 90

Solving
15a = 90

Solving for variable 'a'.

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

Divide each side by '15'.
a = 6

Simplifying
a = 6

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