Question

solve the equation $8(n + 7) = 88$.

88 is evenly divisible by 8, so dividing both sides by 8 is a good way to start solving this equation.

how can you isolate the variable $n$?

$\

$$\begin{align*} 8(n + 7) &= 88\\\\ \\frac{8(n + 7)}{8} &= \\frac{88}{8}\\\ + 7 &= 11 \\end{align*}$$

divide both sides by 8.

? ? on both sides.

Explanation:

Step1: Analyze the equation after division

After dividing both sides by 8, we have \(n + 7=11\). To isolate \(n\), we need to get rid of the \(+7\) on the left - hand side.

Step2: Determine the operation to isolate \(n\)

According to the inverse operation of addition (which is subtraction), we should subtract 7 from both sides of the equation \(n + 7 = 11\). So the first dropdown should be "Subtract" and the second dropdown should be "7".

Answer:

The first dropdown: Subtract, The second dropdown: 7