asked 176k views
2 votes
Considering these two equations:

y - 2x = 25
19y + 10x = 25
Which expression can be substituted for y
in the bottom equation of the system to
solve the system by substitution?

1 Answer

6 votes
The first one can be substituted for y, when you add 2x to both sides. At the end you’ll have y = 2x + 25 which can be substituted in the second equation for y.
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