Sagot :
Problem:
If ID = 4x +5 and ED = 5x - 3, what is the
measurement of ID and ED?
a. 47
b. 42
d. 32
c. 37
Solution:
• First we need to solve for x.
Given:
4x+5
5x-3
- 4x+5=5x-3
- 5+3=5x-4x
- 8=x
- x=8
• Now substitute the value of x in the given expressions.
- 4x+5
- 4(8)+5
- 32+5
- 37
- 5x-3
- 5(8)-3
- 40-3
- 37
Answer:
The correct answer is letter C. 37.
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