Question

solve subquestions Decide whether y = -1 is the solution
of the equation 3-y=4​

Answer 1

Answer:

yes

Step-by-step explanation:

3-y=4

if y=-1

3+1=4

because 3-(-1)=3+1

because minus into minus is plus

Answer 2

Answer:

y=7 correct answer

Step-by-step explanation:

3-y=7

y=4+3

y=7