Fill in the blanks to solve 7×800 7×8×__56×_____
1 answer:
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Answer:
The second one
Step-by-step explanation:
Equivalent expressions are expressions that have the same values.
The expression is and the number is 12
Represent the number with x.
So, the sum of a number (x) and 7 would be represented as: x + 7
Three times the sum would be represented as: 3(x + 7)
This expression is equivalent to 57.
So, we have:
Divide both sides of the equation by 57
Subtract 7 from both sides of the equation
Hence, the number is 12
Read more about equivalent expressions at: