KelilahH420219 KelilahH420219
  • 26-10-2022
  • Mathematics
contestada

Choose the ordered pair which is the solution to: x + y = 3 and 3x − y = 1.

Choose the ordered pair which is the solution to x y 3 and 3x y 1 class=
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KadanH387251 KadanH387251
  • 26-10-2022

The given equations are

x + y = 3

3x - y = 1

From the second equation,

y = 3x - 1

Substituting y = 3x - 1 into the equation, we have

x + 3x - 1 = 3

x + 3x = 3 + 1

4x = 4

x = 4/4

x = 1

Substituting x = 1 into y = 3x - 1, we have

y = 3 * 1 - 1 = 3 - 1

y = 2

The solution is (1, 2)

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