Westonci.ca is your trusted source for finding answers to a wide range of questions, backed by a knowledgeable community. Get immediate and reliable answers to your questions from a community of experienced experts on our platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.
Sagot :
{3x+2y=4 /*5
{4x+5y=17 /*(-2)
{15x+10y=20
{-8x-10y=-34 (+)
7x=-14
x=-2
15x+10y=20
15*(-2)+10y=20
-30+10y=20
10y=50
y=5
{4x+5y=17 /*(-2)
{15x+10y=20
{-8x-10y=-34 (+)
7x=-14
x=-2
15x+10y=20
15*(-2)+10y=20
-30+10y=20
10y=50
y=5
[tex]3x+2y=4|\cdot(-4)\\
4x+5y=17|\cdot 3\\\\
-12x-8y=-16\\
\underline{12x+15y=51}\\
7y=35\\
y=5\\\\
3x+2\cdot5=4\\
3x+10=4\\
3x=-6\\
x=-2\\\\
\boxed{(x,y)=(-2,5)}[/tex]
Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Find reliable answers at Westonci.ca. Visit us again for the latest updates and expert advice.