Question

find the value of x if 3 root 4 x minus 7 is equal to 5 ​

Answer 1

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$3 \sqrt{4x} - 7 = 5 \\ \\ = > 3 \sqrt{4x} = 5 + 7 \\ \\ = > 3 \sqrt{4x} = 12 \\ \\ = > \sqrt{4x} = 12 \div 3 \\ \\ = > \sqrt{4x} = 4 \\ \\ = > 2x = 4 \\ \\ = > x = 4 \div 2 \\ \\ = > x = 2$

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