8x – (7x + 8) = 9
8x – 7x – 8 = 9
x = 9 + 8
x = 17
Ответ:
8x-(7x+8)=9
8x-7x-8=9
x=9+8
x=17
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8x – (7x + 8) = 9
8x – 7x – 8 = 9
x = 9 + 8
x = 17
Ответ:
8x-(7x+8)=9
8x-7x-8=9
x=9+8
x=17