(5+2)*(x+3x)=

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Solution for (5+2)*(x+3x)= equation: 


Simplifying
(5 + 2)(x + 3x) = 0

Combine like terms: 5 + 2 = 7
(7)(x + 3x) = 0

Combine like terms: x + 3x = 4x
7(4x) = 0

Remove parenthesis around (4x)
7 * 4x = 0

Multiply 7 * 4
28x = 0

Solving
28x = 0

Solving for variable 'x'.

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

Divide each side by '28'.
x = 0

Simplifying
x = 0

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