Question

Rezolvati in r uratoarele ecuatii -5x+1=-6. 2x +3=7. 10-3x=7.

Answer 1

a) -5x+1=-6   -5x=-7  x=7/5

b) 2x+3=7   2x=4   x=2

c)10-3x=7   -3x=-3   x=1

Answer 2

○ -5x=-6-1

-5x = -7

x = 7/5

○ 2x = 7-3

2x = 4

x = 4/2

x = 2

○ -3x = 7-10

-3x = -3

x = -3/(-3)

x = 1