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5y + 7x = -1 -2y = -5x - 23 Elimination
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5 votes
5y + 7x = -1
-2y = -5x - 23
Elimination

User PaulDong
by
3.6k points

1 Answer

3 votes

Explanation:

+25y + 35x = -1. × 5

+35x - 14y = -161. × 7

-. +. +

39y = 156

y=4

putting value of y in 5y + 7x =-1

5×4+7x =-1

7x = -21

x= -3

User Niobos
by
3.9k points
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