O $x+2
O $x-2
O
O $2x
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Answer:
$2x
Because $x doubled is $2x
The required solution to the equation 9 - 2x = 35 is x = -13.
To solve the equation 9 - 2x = 35, we can follow these steps:
Start with the given equation: 9 - 2x = 35.
We want to isolate the variable x on one side of the equation, so let's begin by getting rid of the constantterm on the left side by subtracting 9 from both sides:
9 - 2x - 9 = 35 - 9
Simplifying, we have:
-2x = 26
Next, we want to solve for x, so we need to isolate x. Divide both sides of the equation by -2:
-2x / -2 = 26 / -2
This simplifies to:
x = -13
Therefore, the solution to the equation 9 - 2x = 35 is x = -13.
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What error did Barbara make in writing the equation?
Barbara's equation did not consider the number of water drinks.
Barbara's equation did not consider the number of iced tea drinks.
Barbara's equation did not use the correct price for the iced tea drinks.
Barbara's equation did not use the correct total for sales.