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12.09.2021 •
Mathematics
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Quiz: Step 4
1-2: Lesson Quiz X
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D Question 1
1 pts
Suppose x = 7 is a solution to the equation 4x - 21x + a) = 8. Find the value of a that makes the equation
true.
03
O&
O2
0-25
Solved
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Ответ:
1. x = -6, -8, -90
2. solutions for
include -5, while -5 is not a solution for 
Step-by-step explanation: