Write an equation using the information given in the problem. Use x as the variable. Then solve the equation. If five times a number is added to three times the number, the result is the sum of seven times the number and $9 .$ Find the number.
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Step 1
We can start by writing: 5x + 3x = 7x + 9 This equation represents the information given in the problem, where 5 times a number (5x) is added to 3 times the same number (3x), resulting in the sum of 7 times the number (7x) and 9. Now, we can solve for x by Show more…
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