{(5x+178)15+90}:45=63

Question

{(5x+178)15+90}:45=63

Answer 1

Если быстро- то так.
x=1

Comments

http://www.wolframalpha.com/input/?i={%285x%2B178%2915%2B90}%3A45%3D63

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postupak zadatka me zanima