Х-20=40*6 15+х=800:20

Question

Х-20=40*6
15+х=800:20

Answer 1

Х-20=40*6
х-20=240
х=260.
15+х=800:20
15+х=40
х=25

Answer 2

Х-20=40×6
х-20=240
х=240+20
х=260

15+х=800:20
15+х=40
х=40-15
х=25