Question

15. X + 15 = 20 16. x - 2 = 18 15. 2x + 4 = 20 16. 3x +10 = -20​

Answer 1

Respuesta:

x+15=20 x=20-15 x=5

x-2=18 x=18+2 x=20

2x+4=20 2x=20-4 2x=16 x=16/2 x=8

3x+10=-20 3x=-20-10 3x= -30 x= -30/3 x= -10