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3x=-5y 6x-7y=17 Solve the equation
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2 votes
3x=-5y
6x-7y=17
Solve the equation

User Miquel Canal
by
5.1k points

1 Answer

2 votes
3x = -5y -------------- (1)
6x - 7y = 17 --------- (2)

From (1):
3x = -5y
x = -5/3 y ---------- sub into (2)

6 (-5/3 y) - 7y = 17
-10y - 7y = 17
-17y = 17
y = -1 ------------ Sub into (1)
3x = -5 (-1)
3x = 5
x = 5/3

Ans: x = 5/3, y = -1

User Darren Wood
by
5.9k points
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