Question

what is ans of 3/4 x =7-x​

Answer 1

Answer:

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Answer 2

Answer:

$\frac{3}{4}x \: = 7 - x \\ \\ \frac{3}{4} x + x = 7 \\ \\ \frac{3x + 4x}{4} = 7 \\ \\ 3x + 4x = 28 \\ \\ 7x = 28 \\ \\ x = \frac{28}{7} \\ \\ x = 4$