А)5(х+4)=2(4х-5) б)х+2=5х-2(х-3)

Question

А)5(х+4)=2(4х-5)
б)х+2=5х-2(х-3)

Answer 1

А)5(х+4)=2(4х-5)
5х+20=8х-10
5х-8х=-10-20
-3х=-30
х=10
б)х+2=5х-2(х-3)
х+2=5х-2х+6
х-5х+2х=6-2
-2х=4
х=-2

Answer 2

5х+20=8х-10
-3х=-30
х=10

х+2=5х-2х+6
-2х=4
х=-2