Answered

Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

Solve the system of equations using substitution.
y= 3/4x-7
4x- 6y=50

Sagot :

deathstrike001
Y=3/4x-7
4x-6y=50

4x-6y=50
4x-6(3/4x-7)=50
4x-18/4x+42=50
-1/2x=8
x=-16

y=3/4(-16)-7
y=-12-7
y=-19
Lilith
[tex]\begin{cases} y= \frac{3 }{4}x-7 \\ 4x- 6y=50 \end{cases}\\ \\\begin{cases} y= \frac{3 }{4}x-7 \\ 4x- 6(\frac{3 }{4}x-7)=50 \end{cases}\\ \\\begin{cases} y= \frac{3 }{4}x-7 \\ 4x- \frac{9 }{2}x+42=50 \end{cases}\\ \\ \begin{cases} y= \frac{3 }{4}x-7 \\ 4x- 4\frac{1 }{2}x =50 -42\end{cases}[/tex]

[tex]\begin{cases} y= \frac{3 }{4}x-7 \\ - \frac{1 }{2}x =8 \ \ /*(-2)\end{cases}\\ \\ \begin{cases} y= \frac{3 }{4}*(-16)-7 \\ x =-16\end{cases}\\ \\ \begin{cases} y= -12-7 \\ x =-16\end{cases} \\ \\\begin{cases} y= -19 \\ x =-16\end{cases}[/tex]


Thank you for your visit. We are dedicated to helping you find the information you need, whenever you need it. 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.