Question

2y+9=4 solve the eqetions​

Answer 1

2y=9- 4

2y=5

y=5-2

y=3 is the answer and explained above

Answer 2

Hence, 2y+9=4

∴y+9=4/2=2

∴y=2-9=(-7)

∴y=(-7)

And hence, 2×(-7)+9=4.