Answer:
No
Step-by-step explanation:
(3, 10)
3 = x
10 = y
Substitute into equation
10 = 4(3)
10 = 12
No it isn't a solution as y doesn't = x
For this case we have the following multiplication:

We can rewrite this multiplication in the following way:

From here, we apply the distributive property.
We have then:

Therefore, Jack's strategy is:
Write the number in an expanded form and then apply the distributive property.
Answer:
Jack's strategy is:
Write the number in an expanded form and then apply the distributive property.
Answer: -8-10
Step-by-step explanation:
I mean, I don't know how to explain a generic way to solve this. Ask me about the specific train of thought if you are interested:
7 * 18 + 45 / 3 - 2 = 139