3x+4(3x)=30

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Solution for 3x+4(3x)=30 equation: 


Simplifying
3x + 4(3x) = 30

Remove parenthesis around (3x)
3x + 4 * 3x = 30

Multiply 4 * 3
3x + 12x = 30

Combine like terms: 3x + 12x = 15x
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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