Question

solve by the equation x-y/2=3 and x/2-2y/3 = 2/3 by substitusion method​

Answer 1

Answer:

X=20 , Y=14

Step-by-step explanation:

$\frac{x - y}{2} = 3 \\ x - y = 6 \\ x = 6 + y - - - - - - 1 \\ \\ \frac{x}{2} - \frac{2y}{3} = \frac{2}{3} \\ \frac{3x - 4y}{6} = \frac{2}{3} \\ 3x - 4y = 4 - - - - - 2 \\ putting \: value \: of \: x \: in \: eqn \: 2 \\ 3(6 + y) - 4y = 4 \\ 18 + 3y - 4y = 4 \\ - y = - 14 \\ y = 14 \\ putting \: value \: of \: y \: in \: eqn \: 1 \\ x = 6 + 14 \\x = 20$

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