Yes, he is correct. Any value multiplied by one is equal to the original value. Ex: 4x1=4. So, the same applies with y: yx1y=y.

**Step-by-step explanation:**

3x+10°=70

or,3x=70-10

or,3x=60

or,x=60÷3

or,x=20

Answer:

1/3

Step-by-step explanation:

To get the scale factor , we have to divide the lengths of the similar sides on both shapes

What we have to do here is to divide the left length of each

we have this as 6/18 since they both represent the length

we have this as 1/3

**Answer:**

G= - 12

**Step-by-step explanation:**

3 = g (4)

G= -3(4)

G= -12

Answer: X= -14

Step-by-step explanation:

2x-5x-6=36

3x-6=36

36+6 =42

-3x=42

42÷-3

X= -14