Question

Enter the number that belongs in the green box.

Answer 1

2x+3=5x-42
2x+45=5x
45=3x
15=x

Answer 2

$<b><i>HEY THERE!!$

here in the given picture the given both equations will be equal.

2x+3 = 5x-42

=>45= 3x

=>x = 45/ 3

=>x= 15

HOPE IT HELPED YOU .