Answer:
c. x/7
Step-by-step explanation:
seven is dividing something, and X is the placeholder in this equation.
So, since x is being divided by seven, that rules out B., because that's backwards.
A. and D. don't involve division, so they're both incorrect as well.
Thus we are left with C. x/7
Answer:
The 10th term is 50
Step-by-step explanation:
5(10) = 50
Answer:
x = -5
Step-by-step explanation:
Divide each term by 4 and simplify.

Move all terms not containing X to the right side of the equation.

Divide each term by 3 and simplify.

To solve this, we’ll have to use inverse operations.
Since addition is the inverse to subtraction, we’ll add 20 to 620.
20 + 620 = 640
From there, since division is the inverse of multiplication, we’ll divide .75 by 640.
640/.75 = 853.33333 repeating. We can round this to 853.33, to round to the nearest hundredth.
Therefore, 853.33 would be your answer! You can check this by solving the equation forwards (853.33 x .75 = ~640, 640 - 20 = 620.)
Hope this helps! :)