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KATRIN_1 [288]
2 years ago
9

Solve the system by substitution. y=4x-9 y=x-3

Mathematics
2 answers:
mixer [17]2 years ago
7 0
X-3=4x-9
X=4x-9+3
X=4x-6
X+6=4x |-x
6=3x |:3
X=2
alex41 [277]2 years ago
3 0

Answer:

<u>(2, -1)</u>

Step-by-step explanation:

<u>Given</u>

  • y = 4x - 9
  • y = x - 3

<u>Solving</u>

  • Substitute the value of one of the y values from the other equation
  • 4x - 9 = x - 3
  • 3x = 6
  • x = 2
  • y = 2 - 3
  • y = -1
  • ⇒ <u>(2, -1)</u>
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