5(11x + 4y) +9(x + 4y)=
55x+20y+9x+36y=64x+56y=4(16x+14y)=8(8x+7y)
ODPOWIEDŹ: B
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5(11x + 4y) +9(x + 4y)=
55x+20y+9x+36y=64x+56y=4(16x+14y)=8(8x+7y)
ODPOWIEDŹ: B