Asked by Mary

Mai wonders what would happen if we multiply equations. That is, we multiply the expressions on the left side of the two equations and set them equal to the expressions on the right side of the two equations.

In system B, write out an equation that you would get if you multiply the two equations in this matter.

System B:

2x + y = 4
x - y = 11

Answered by Mary
Can you further simplify this and solve it?
Answered by Mary
What if we used elimination?
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