Answer:
3
Step-by-step explanation:
hey so we need to make the equations equal to one another for it to have infinitely many solutions
1)distribute the 3
3x+3=3x+_
looking at this we can concur that the missing number is 3. You can check by plugging in the 3 into the equation.
so
3x+3=3x+3
this is true, so 3 is the answer
hope this helps!
Answer:
D 3..
Step-by-step explanation:
We need to make the left side and right side identical:
Left side:
3(x + 1) = 3x + 3 so the missing number is 3.