Joseph Nguyen
07/12/2023 · Primary School
how do you solve \( x+y=19 \) where \( x=9 \)
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To solve the equation \( x + y = 19 \) given that \( x = 9 \), you can substitute the value of \( x \) into the equation:
\[
9 + y = 19
\]
Next, to isolate \( y \), subtract 9 from both sides:
\[
y = 19 - 9
\]
Calculating the right side gives:
\[
y = 10
\]
So, the solution is \( y = 10 \). Therefore, when \( x = 9 \), \( y \) is \( 10 \).
Quick Answer
Substitute \( x = 9 \) into \( x + y = 19 \), solve for \( y \), and find \( y = 10 \).
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