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laiz [17]
2 years ago
15

WILL MARK BRAINLIST

Mathematics
2 answers:
siniylev [52]2 years ago
8 0

Answer:

(x,y) = (6, 8); please give Brainliest if this helped you

Step-by-step explanation:

hammer [34]2 years ago
4 0

2x +y = 20~~....(i)\\\\6x -5y = -4~~....(ii)\\\\\\\text{Multiply equation (i) by 3:}\\\\6x +3y = 60~~...(iii)\\\\(iii)-(ii):\\\\6x+3y - 6x+5y = 60-(-4)\\\\\implies 8y = 60+4 = 64\\\\\implies y = \dfrac{64}8\\\\\implies y = 8\\\\\\\text{Substitute y =8 in equation (i):}\\\\2x+8 =20\\\\\implies 2x = 20-8 = 12\\\\\implies x = \dfrac{12}2 = 6\\\\\text{Hence (x,y) = (6, 8)}

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