Question

1) 12-8х+24=6+4х

2) (на картинке)

Answer 1

1) 12-8x+24-6-4x=0
-4x+36-6=0
-4x=-30
x=7.5
2)0.18x-2.52=-7.2x+27
7.2x+0.18x=27+2.52
7.38x=29.52
x=4