Mathematics
Mathematics, 15.01.2021 17:00, eggoysters

Elena began to solve this equation: 12x + 6(4x + 3) = 6(6x + 4) - 6
12x + 24x + 18 = 36x + 24 - 6

When she got to the last line she stopped and said the equation is true for all values of x. How could Elena tell without finishing?

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Do you know the correct answer?
Elena began to solve this equation: 12x + 6(4x + 3) = 6(6x + 4) - 6
12x + 24x + 18 = 36x + 24...

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