Respuesta :
Answer:
y = 5 - 3x
Step-by-step explanation:
3x + y = 5 ( subtract 3x from both sides )
y = 5 - 3x
Answer:
y = 5 - 3x
making y the subject:
- 3x + y = 5
- y = 5 - 3x
changing sides, changes positive (+) sign to negative (-)
changing sides, changes negative (-) sign to positive (+)