Question

ayudenme porfa!▪

•8x (7+9)=75x-3

•8x (3+9)=35 (3x+7)-7

Answer 1

Resolvemos :) 

8x (7+9)=75x-3
8x(16)=75x-3
128x=75x-3
128x-75x=-3
53x=-3
    x=-3/53

Rpta: -3/53

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8x (3+9)=35 (3x+7)-7
8x(12)=35(3x+7)-7
96x=105x+238
-238=105x-96x
-238=9x
-238/9=x

Rpta: -238/9