7(3x)+3(5x)=15

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Solution for 7(3x)+3(5x)=15 equation: 


Simplifying
7(3x) + 3(5x) = 15

Remove parenthesis around (3x)
7 * 3x + 3(5x) = 15

Multiply 7 * 3
21x + 3(5x) = 15

Remove parenthesis around (5x)
21x + 3 * 5x = 15

Multiply 3 * 5
21x + 15x = 15

Combine like terms: 21x + 15x = 36x
36x = 15

Solving
36x = 15

Solving for variable 'x'.

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

Divide each side by '36'.
x = 0.4166666667

Simplifying
x = 0.4166666667

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