Question

y+9=13
trial and error method​

Answer 1

Step-by-step explanation:

y+9=13

X=13-9=4

....................

Answer 2

Answer:

here is your answer

Step-by-step explanation:

y+9=13

if y = 0. 0+9=9. not equal to R.H.S

if y = 1. 1+9=10 not equal to R.H.S

if y = 2. 2+9=11 not equal to R.H.S

if y = 3. 3+9=12 not equal to R.H.S

if y = 4. 4+9=13 not equal to R.H.S

therefore, 4 is answer as

L.H.S=R.H.S

HOPE IT HELPED

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