3[5x]=30

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Solution for 3[5x]=30 equation: 


Simplifying
3[5x] = 30

Remove brackets around [5x]
3 * 5x = 30

Multiply 3 * 5
15x = 30

Solving
15x = 30

Solving for variable 'x'.

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

Divide each side by '15'.
x = 2

Simplifying
x = 2

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