So
a be first term and d be common difference
And
Eq(1)-Eq(2)
Put in second one
2(x-5)=20
Divide both sides by 2 (division of property equality)
x - 5 = 10
Add 5 to both sides (addition of property equality)
x = 15
Answer
x = 15 is the solution
The scale factor of 4 was applied to the first triangle. 6 was divided by 4 to get 1.5
Answer:
linear
Step-by-step explanation: