7×-2y=9 and 4x+6y=15
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we have to find the value of x and y so by using elimination method7x-2y=9—————-eq1we have to multiply eq1 by 3 to make the variable y same(7x-2y=9)*321x-6y=27———–eq14x+6y=15————eq2by elimination method by adding the eq1 and eq221x-6y=274x+6y=15the -6y and +6y get canclledso24x=42x=42/24the value of x is 7/4 putting the value of x in eq24x+6y=154*7/4+6y=154 and 4 get canclled 7+6y=156y=15-76y=8y=8/6 that is 4/3the value of x=7/4the value of y=4/3