Lamarda62id
Lamarda62id
Mathematics
Answered
Y=-5x and 21x-7y=28 using substation method
Sagot :
Parkerandrew92id
Parkerandrew92id
21x - 7(-5x) = 28
21x + 35x = 28
56x=28
56 = 56
x = .5 or 1/2
Answer Link
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