IDNLearn.com provides a user-friendly platform for finding and sharing knowledge. Our platform is designed to provide accurate and comprehensive answers to any questions you may have.

What is the solution of the system of equations c+3d=8 and c=4d-6?
Show work plz.


Sagot :

[tex]\left\{\begin{array}{ccc}c+3d=8\\c=4d-6\end{array}\right\\\\substitute:\\\\(4d-6)+3d=8\\4d+3d-6=8\ \ \ \ /+6\\7d=14\ \ \ \ /:7\\d=2\\\\c=4\cdot2-6=8-6=2\\\\\left\{\begin{array}{ccc}c=2\\d=2\end{array}\right[/tex]