Question

Помогите как решить,
1) 8(5-6x)=-8x+10
2) x+ x = 7
6 2
3) x2=2x+8

Answer 1

1)8*(5-6х)=-8х+10
40-48х=-8х+10
-48х+8х=10-40
-40х=10-40
-40х=-30
х=-30/(-40)
х=0.75

2)6х+2х=7
8х=7
х=0.875