Question

solve 3 x/4 - 7/4 = 5x+12​

Answer 1

Answer:

=> 17x = -41

Step-by-step explanation:

=> 3x/4 - 7/4 = 5x + 12

=> 3x - 7/4 = 5x + 12

=> 3x - 7 = 4(5x + 12)

=> 3x - 7 = 20x + 48

=> 20x - 3x = -7 + 48

=> 17x = -41

Answer 2

The correct answer is "x = -55/17".

Step-by-step explanation:

$The \ given \ expression \ is:\\\\\frac{3x}{4} -\frac{7}{4} =5x+12\\\\On \ taking \ LCM,we \ get\\\\\frac{3x-7}{4} =5x+12\\\\On \ applying \ cross \ multiplication,we \ get\\\\3x-7=4(5x+12)\\\\3x-7=20x+48\\\\On \ subtracting \ "20x" \ from \ both \ sides,we \ get\\\\3x-7-20x=20x+48-20x\\\\-17x-7=48\\\\On \ adding \ "7" \ both \ sides,we \ get\\\\-17x-7+7=48+7\\\\-17x=55\\\\x=-\frac{55}{17}$

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