Решите уравнения:
1) 98 : х + 9 = 23
2) 60 умножить (у : 40 + 4) = 720
3) 39 - (15z + 48) : 27 = 35
1) 98 : х + 9 = 23
2) 60 умножить (у : 40 + 4) = 720
3) 39 - (15z + 48) : 27 = 35
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Answers & Comments
98÷x=14
x=98+14
x=7
2) 60×(y÷40+4)=720
y÷40+4=720÷60
y÷40+4=12
y÷40=12-4
y÷40=8
y=8×40
y=320