secureinyou
secureinyou
16-08-2017
Mathematics
contestada
2x+3y=23
3x-y=7
Solve for x
Respuesta :
Аноним
Аноним
16-08-2017
2x + 3y = 23...........................(1)
3x - y = 7 Multiply by 3:-
9x - 3y = 21 Adding this to equation (1):-
11x = 44
x =
Plug this into equation (1):-
2(4) + 3y = 23
3y = 15
y = 5
Answer is x = 4, y = 5
Answer Link
Аноним
Аноним
08-03-2022
Answer:
x=4
y=5
Step-by-step explanation:
y=3x−7
11x−21=23
x=4
y=5
Answer Link
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