1400136961
1400136961
11-01-2021
Mathematics
contestada
PLS HELP! 7x +10y= -23
7x + 6y = - 39
Respuesta :
AyaanR
AyaanR
11-01-2021
4y = -23 + 39
4y = 16
y = 4
Sub y = 4 into equation 2
7x + 6(4) = -39
7x + 24 = -39
7x = -39-24
7x = -63
x = -9
x = -9
y = 4
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