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The sum of two numbers is 77. The greater number is 5 more than the smaller number. Which equation can be used to solve for the smaller number? (5 points)
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The sum of two numbers is 77. The greater number is 5 more than the smaller number. Which equation can be used to solve for the smaller number? (5 points)

User Rafareino
by
5.7k points

2 Answers

2 votes
smaller is x, then x+x+5=77, so x=36
User Jessie
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5.0k points
2 votes
We can write a system of equations.

x + y = 77
y = x + 5

Plug in x + 5 into the first equation:

x + y = 77

x + (x + 5) = 77

So this is our answer.
User Cheryle
by
5.1k points
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