Equations/ Questions with Certified Solutions/
2024-2025.
Currently, Nora is 3 times as old as Damon. In 8 years, she will only be 2 times as
old as Damon. How old will Damon be in 8 years? - Answer: 16 years old
Which value of n makes this equation true?
3n + 3/5 = 5n - 1 /9 - Answer: n = -16
The difference of a number and 6 is the same as 5 times the sum of the number
and 2. What is the number? - Answer: -4
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, Which statement is true about this equation?
-9(x + 3) + 12 = -3(2x + 5) − 3x - Answer: The equation has infinitely many
solutions.
Paula used these steps to solve an equation:
Step 1: -4(x + 8) - 2x = 25
Step 2: -4x - 32 -2x = 25
Step 3: -6x - 32 = 25
Step 4: -6x = 57
Step 5: x = -9 1/2
Between which two steps did Paula use the division property of equality? -
Answer: steps 4 and 5
Order each step and justification that is needed to solve the equation below.
2/3y + 15 = 9 - Answer: ★2/3y + 15 - 15 = 9 - 15 Subtraction property of equality
★2/3y = -6 Simplification
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