To solve the equation \( 2x = 20 \), we can divide both sides by 2:
\[ x = \frac{20}{2} = 10 \]
The solution to the equation is \( x = 10 \).
In set notation, we can express the solution as:
\[ { 10 } \]
Therefore, the answer is \( { 10 } \).
Use set notation to express the value(s) that make the equation 2x=20
true. Enter your response using set notation.(1 point)
2 answers
Both −6
and 6 make the equation x22=18
true. Use set notation to express these solutions. When entering your response, list elements in the set from least to greatest, with a comma between each element in the set.(1 point)
and 6 make the equation x22=18
true. Use set notation to express these solutions. When entering your response, list elements in the set from least to greatest, with a comma between each element in the set.(1 point)