Question

0,005(x+2)=0,007x+0,001(x-5)

Answer 1

0/005х+0.01=0.007х+0.001х-0.005   0.003 х=0.015 х=5

Answer 2

0.005(х+2)=0.007х+0.001(х-5)
0.005х+0.01=0.007х+0.001х-0.005
0.005х-0.007х-0.001х=-0.01-0.005
-0.003х=-0.015
х=0.015:0.003
х=5

Answer 3

торопливость спасибо