Mathematics, 07.12.2020 22:30 krishimotam

1. 3(4x - 7y = 28) 12x - 21y = 84 -206x - 5y = 31) -12x + 10y = -62 the answer was 3.5 and -2 I understand the negative 2 but not the 3.5

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1. 3(4x - 7y = 28) 12x - 21y = 84 -206x - 5y = 31) -12x + 10y = -62 the answer was 3.5 and -2 I und...

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