1) 7х+28= –28
2) 35= –5(2х–1)
3) 9(–3х+12)=81
4) 3х –7= –2х+1
5) 48 –3,5х=0,3х+10
6) 5х –12= –х+24
7) 19 –2,5х=7х –57

Question

Математика: 1) 7х+28= –28 2) 35= –5(2х–1) 3) 9(–3х+12)=81 4) 3х –7= –2х+1 5) 48 –3,5х=0,3х+10 6) 5х –12= –х+24 7) 19 –2,5х=7х –57

dima102603 · Answer

1. х= -82. Пошаговое объяснение:1. 7x = -28-287x =-56х=-8...