**Answer:**

d) 6

**Step-by-step explanation:**

(Symmetric Property of Equality)

(Add to both sides of the equation to isolate )

(Simplify)

(Divide both sides of the equation by to get rid of 's coefficient)

(Simplify)

Hope this helps!

**Answer:**

11

**Step-by-step explanation:**

**Answer:**

1/2 because cake are almost made out of the same thing pie are made of so they are using half of the intransigents to make cake and there using it to make pie

**Step-by-step explanation:**

**Answer:**

x=9

**Step-by-step explanation:**

FE is 3x-7

since ΔABC≅ΔDEF the equivalent of FE is CB, or BC...which is 20

3x-7=20

3x=27

x=9

**Answer:**

-3.4 = (-17
/5) = -3 2/5

**Step-by-step explanation:**