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samc7910
19.07.2021 •
Mathematics
Solve, using the substitution method.
y = 3x + 5
4x – y = 5
10, 35)
(15, 10)
There are an infinite number of solutions.
There is no solution.
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Ответ:
Hi, there the answer is (10,35)
Step-by-step explanation:
Step: Solvey=3x+5for y:
y=3x+5
Step: Substitute3x+5for y in4x−y=5:
4x−y=5
4x−(3x+5)=5
x−5=5(Simplify both sides of the equation)
x−5+5=5+5(Add 5 to both sides)
x=10
Step: Substitute10 for x in y=3x+5
y=3x+5
y=(3)(10)+5
y=35(Simplify both sides of the equation)
Hope this helps :)
Ответ:
Option C.
Step-by-step explanation:
Quiana has 45 text messages from Yolanda.
Text messages from Pierre = p
It is given that Quiana has 5 times more text messages from Yolanda than from Pierre.
It can be written as
Therefore, the correct option is C.