Question

7(x+3)+9=3(x+2)+11
dau coroana
e urgent

Answer 1

7 ( x + 3 ) + 9 = 3 ( x + 2 ) + 11

7 x + 21 + 9 = 3 x + 6 + 11

7 x + 30 = 3 x + 17

7 x - 3 x = 17 - 30

4 x = - 13

x = - 13 / 4

x =  - 3,25