**Answer:**

-39/2 or -19 1/2

**Step-by-step explanation:**

7/10x - 5 = 1/2x

7/10x - 1/2x = 5

7/10x - 5/10x = 5

2/10x = 5

x = 5 / (2/10)

x = 5 * 10/2

x = 50/2

x = 25 gallons <===

**Answer:**

Choice C should be the answer

**Step-by-step explanation:**

Because all of them adds up to 180 since it is a straight angle.

**Answer: **

**dont take my stuff down**

**Step-by-step explanation:**

ruuuuuuuuude

**Answer:**

x = 36/5

**Step-by-step explanation:**

Subtract 6 from both sides

x/3+6-2x-6 = -6-6

Simplify

x/3 - 2x = -12

Multiply both sides by 3

x/3 * 3 - 2x * 3 = -12 * 3

Simplify

-5x = -36

Divide both sides by -5

-5x/-5 = -36/-5

Simplify

x = 36/5