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anarosa52505pdizws
30.03.2020 •
Mathematics
#16 please help me solve this
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Ответ:
y=4, x=-5
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, we could merge the two equations together to do as shows:
4(2y-13)-3y=-32
8y-52-3y=-32
5y-52=-32
5y=20
y=4
To find x, we'd do
4x-3(4)=-32
4x-12=-32
4x=-20
x=-5
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Ответ:
x=-5, y=4
Step-by-step explanation:
4x - 3y = -32
x = 2y -13
Use the second equation to substitute for x in the first equation
4(2y-13) -3y = -32
Distribute
8y -52-3y = -32
Combine like terms
5y -52 = -32
Add 52 to each side
5y -52+52 = -32+52
5y = 20
Divide by 5
5y/5 = 20/5
y=4
Now we need to solve for x
x = 2y-13
=2(4) -13
8-13
= -5
Ответ: