Answer:
1. c 2. d 3.c
Step-by-step explanation:
Answer:
47 degrees
Step-by-step explanation:
i am super smart
15x+100=28
x=-6/5
The answer is -6/5
Answer:
Identity property of multiplication
Step-by-step explanation:
From step 5:

Here, to solve for x so that the variable x stands alone, Alberto uses the identity property of multiplication, which justifies what he has in step 6.
Step 6:

According to the identity property of multiplication, any value you multiply by 1 gives you that same value.
Therefore, 1x = 1 × x = x.
The variable x multiplied by 1 will give you x.