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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?
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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?

User HadleyHope
by
4.4k points

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.
User Stackinator
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