Question

Find x if 72 X 73 - 79​

Answer 1

Answer:

Thus the answer is 6.

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Answer 2

$= > {7}^{2x} \div {7}^{ - 3} = {7}^{2x + 3}$

$= > {7}^{2x + 3} = {7}^{9}$

• 2x + 3 = 9
• 2x = 9 - 3
• 2x = 6
• x = $\frac{6}{2}$

$= = > x \: \: = \: \: 3$