from thr sum of 3x+2y-9 and 2×-6y+2 subtract the sum of 4x -9y-1 and-3x+8y+7
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Step-by-step explanation:
sum of 3x +2y-9 and 2x-6y+2
= 5x-4y-7 ---- (i)
sum of 4x-9y-1 and -3x+8y+7
= x -y +6 ------(ii)
sub equation (ii) from (1)
x-y+6 - (5x-4y-7)
=x-y+6 -5x+4y+7
= -4y +3y +13
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