Solve- 0-9 x - 0-5 y - 6 - 0-7 x - 0-7 y - 5 - 6

0.7x+0.7y=5.6 7x+7y=56 x+y=8 x=8 y⋯(1) 0.9x+0.5y=6 9x+5y=60 9(8 y)+5y=60 72 9y+5y=60 4y=60 72 4y= 12 y=3 x=8 ...

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Cross-Multiplication Method of Finding Solution of a Pair of Linear Equations

Solve: 0.9 x...

Question

Solve:
$0.9 x + 0.5 y = 6;$
$0.7 x + 0.7 y = 5 \cdot 6$

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Solution

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0.9 x + 0.5 y = 6; 0.7 x + 0.7 y = 5.6

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