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Vsevolod [243]
2 years ago
9

Solve this system of equations, then determine what y equals.

Mathematics
2 answers:
Vsevolod [243]2 years ago
8 0
2+2=4 and 4+4=8 and 8+8=16
MArishka [77]2 years ago
7 0

x+5y = 7~~~....(i)\\\\\\2x+4y = -4~~~.....(ii)\\\\\\\text{Multiply equation (i) by 2,}\\\\\\2x+10y = 14~~~.....(iii)\\\\\\(iii) - (ii):\\\\2x+10y-2x-4y = 14-(-4)\\\\\implies 6y = 14+4\\\\\implies 6y = 18\\\\\implies y = \dfrac{18}6\\\\\implies y = 3

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