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toltecavsmaya
toltecavsmaya toltecavsmaya
  • 01-04-2015
  • Mathematics
Answered

If (−3.5, y) is a solution to the equation 2x − 5y = 10, what is the value of y?

A-3.4
B13.75
C-0.6
D-3.75

Verified Answer :

Panoyin
Panoyin Panoyin
  • 01-04-2015

2x - 5y = 10
2(-3.5) - 5y = 10
-7 - 5y = 10
+7          +7
     -5y = 17
      -5     -5
        y = -3.4
The value of y is equal to A. -3.4.

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