Question

20x=15(x+4)
;-;-;---;​

Answer 1

20x = 15(x + 4)

20x = 15 × x + 15 × 4

20x = 15x + 60

20x - 15x = 60

5x = 60

x = 60 / 5

x = 12

Answer 2

resolução!

20x = 15 ( x + 4 )

20x = 15x + 60

20x - 15x = 60

5x = 60

X = 60/5

X = 12