9630÷x=28-19 реши уравнения3×y=673+89y÷7=193-65x×20=81-41

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

Answer 2

1)9630:х=28-19
9630:х=9
х=9630:9
х=1070
2)3×y=673+89
3*у=762
у=762:3
у=254
3)y÷7=193-65
у:7=128
у=128*7
у=896
4)x×20=81-41
х*20=40
х=40:20
х=2