Question

rezolvati ecuatiile si inecuaţiile: a) 2x-5=x+7 b) 3x-8<2x-2 c) x-12+32=0

Answer 1

Explicație pas cu pas:

a) 2x-5=x+7

2x-5-x=7

x-5=7

x=7+5

x=12

b) 3x-8<2x-2

3x-8-2x<-2

x-8< -2

x< -2+8

x<6

c)x-12+32=0

x+20=0

x= -20