Question

:) 0.2x+0.3y = 1.3
0.4x +0.5y = 2.3​

Answer 1

Answer:-

$0.2x + 0.3y = 1.3 \ - - - 1 \times 2 \\ \\ 0.4x + 0.5y = 2.3 - - - - 2 \\ \\ solve \: eq - 1 \: and \: 2 \\ \\ 0.4x + 0.6y = 2.6 \\ 0.4x + 0.5y = 2.3 \\ - - - - - - - - - \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: 0.1y = 0.3 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: y = 3 \\ from - 1 \\ 0.2x + 0.3y = 1.3 \\ 0.2x + 0.3(3) = 1.3 \\ 0.2x = 1.3 - 0.9 \\ 0.2x = 0.4 \\ x = 2$

x=2,y=3

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