Question

find the x a 3x +4=9 b y -12 =-5​

Answer 1

Answer:

3x=9-4

3x=5

x=5/3

y=-5+12

y=7

Answer 2

Here is your answer mate...

Find x:

a) 3x + 4 = 9

→ 3x = 9 - 4

→ 3x = 5

→ x = 5/3

b) y - 12 = 5

→ y = 5 + 12

→ y = 17

I hope I have given you the right answer because the question is not really definite and clear so the thing I could figure out from this is the above!