Question

9630÷x=28-19 реши уравнения


3×y=673+89


y÷7=193-65


x×20=81-41

Answer 1

9630÷x=28-19
9630÷x=9
X=9630÷9
X=1070

3×y=673+89
3×y=762
Y=762÷3
Y=254

Y÷7=193-65
Y÷7=128
Y=128×7
Y=896

X×20=81-41
X×20=40
X=40÷20
X=20