Get the information you need with the help of IDNLearn.com's extensive Q&A platform. Ask your questions and receive reliable, detailed answers from our dedicated community of experts.

How do I solve this system of equations by adding, subtracting, or multiplying?
x-y=8;x+y=12


Sagot :

By substitution.
Get y or x alone then insert it into the other equation solving for one of the two variables. After that substitute ur answer into one of the equations then solve.