Ответ:
Объяснение: (8X+7)/6 - (5x-2)/2= 3 -(3-2x)/4 ║×12,
2(8x+7)-6(5x-2)=36 - 3(3-2x),
16x+14-30x+12= 36-9+6x,
-20x= 1
x= -1/20, x= -0,05.
2) = (x²-y²)(x²+y²)/(x²-y²)=x²+y²
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Ответ:
Объяснение: (8X+7)/6 - (5x-2)/2= 3 -(3-2x)/4 ║×12,
2(8x+7)-6(5x-2)=36 - 3(3-2x),
16x+14-30x+12= 36-9+6x,
-20x= 1
x= -1/20, x= -0,05.
2) = (x²-y²)(x²+y²)/(x²-y²)=x²+y²