Answered

Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

What is the value of a in the equation 3a + b = 54, when b = 9?

15
18
21
27

Sagot :

mariamikayla
[tex]3a+b=54 \\\\ 3a+9=54 \\\\ 3a=54-9 \\\\ 3a= 45 \\\\ \boxed{a=\frac{45}{3}\to15}[/tex]
luana
[tex] \left \{ {{3a+b=54} \atop {b=9}} \right. \\\\Substitution\\\\ 3a+9=54\ \ \ | subtract\ 9\\\\3a=45\ \ \ | divide\ by\ 3\\\\ a=15\\\\ b=9[/tex]
We hope this information was helpful. Feel free to return anytime for more answers to your questions and concerns. Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. Thank you for visiting Westonci.ca, your go-to source for reliable answers. Come back soon for more expert insights.