Answer:
x=3
Step-by-step explanation:
put the value of y=20 in equation
20=2(x+7)
20=2x+14
20-14=2x
6=2x
6/2=x
x=3
Answer:
160 sq units
Step-by-step explanation: multiple 16 times 10 and you get that
Answer:

Step-by-step explanation:
To solve this problem use the formula "<u><em>Difference of squares</em></u>":

In this problem we have the following equation

This we can write it in the following way

Then if a = x and b = 8 then:

Then the product of both factors is equal to zero when:

Or

Answer:
B) y = 3x + 2
Step-by-step explanation:
:)
:)
:)
Hope this helps!