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[tex]x+y=58 \\
2x+4y=168
[/tex]
x=32
y=26
EXPLICACIĂ“N PASO A PASO:
[tex]x+y=58 \\
2x+4y=168
[/tex]
[tex]x = 58 - y \\ 2x + 4y = 168[/tex]
[tex]2(58 - y) + 4y = 168[/tex]
[tex]y = 26[/tex]
[tex]x = 58 - 26 \\ x = 32[/tex]
[tex]32 + 26 = 58 \\ 2 \times 32 + 4 \times 26 = 168[/tex]
[tex] \\ 58 = 58 \\ 168 = 168 \\ \\ x = 32 \\ y = 26[/tex]
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