7x=3x(x-4). x=? how to find the value of x?
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7x = 3x(x-4)
7x = 3x² - 12x
7x + 12x = 3x²
19x = 3x²
19 ÷ 3 = x² ÷ x
19/3 = x
so value of x is 19/3
7x = 3x² - 12x
7x + 12x = 3x²
19x = 3x²
19 ÷ 3 = x² ÷ x
19/3 = x
so value of x is 19/3
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