1)8у-345=455, 2)35+(b+165)=658 3)400*(x-5)=10000
8у=345+455, 35b=165+658 400x=5-10000
8у=800, 35b=823 400x=9995
у=800:8, b=823:35 x=400x:9995
у=100. y=23 x=0.04
1)8у-345=455, 2)35+(b+165)=658 3)400*(x-5)=10000
8у=345+455, 35b=165+658 400x=5-10000
8у=800, 35b=823 400x=9995
у=800:8, b=823:35 x=400x:9995
у=100. y=23 x=0.04