Question

Rezolvați in z ecuatiile: g) |x-6|+|y+3|=0
h) |4-5x|+|9-x|=0
i) |2x-3| + |3-2x|=34. Va rog,dau coroana !

Answer 1

h ) 4+5x+9+x=0

6x+13 = 13/6

i ) 2x+3+3+2x=34

4x+6=34

4×= 34-6

4×=28

×=7

precizez ca modulele negative devin pozitive