Mark owns a personal training business. He makes a total of $500 for every 3 clients he acquires. How much money will 21 clients
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The value of x in the equation (x - 5)² = 25 is 10.
<h3>How to solve an equation?</h3>(x - 5)² = 25
Take the square root of both sides
Therefore,
√(x - 5)² = √25
x - 5 = 5
add 5 to both sides
x - 5 + 5 = 5 + 5
x = 10
learn more on equation here: brainly.com/question/10506642
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