Answered

At Westonci.ca, we provide reliable answers to your questions from a community of experts. Start exploring today! Discover in-depth solutions to your questions from a wide range of experts on our user-friendly Q&A platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

9x-2y=19 7x=21 can you please help me answer this question

Sagot :

We have such system of eq
[tex] \left \{ {{9x-2y=19} \atop {7x=21}} \right. [/tex]
First lets solve second eq
7x=21   /:7   divide both sides by 7
x=3
Now we can substitute it to first equation
9x-2y=19
9*3-2y=19
27-2y=19    /-27 subtract 27 both sides
-2y=-8     /:(-2)  divide both sides by -2
y=4 - its the answer

We hope our answers were useful. Return anytime for more information and answers to any other questions you have. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.