Question

ו5=350+150. 700-y=90+10. b:2=350+50. a•5=450-400​

Answer 1

ו5=350+150

5х=500

х=500:5

х=100

700-y=90+10

700-у=100

700-100=у

у=600

b:2=350+50

b:2=400

b=400*2

b=800

a•5=450-400​

5a=50

a=50:5

a=10