courtney2345 courtney2345
  • 16-02-2019
  • Mathematics
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Number 14 I don’t get it

Number 14 I dont get it class=

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cblue8282 cblue8282
  • 16-02-2019

Substitute y in the second equation into the first one (this is called substitution)

2x + (-2x + 1) = 4

2x - 2x + 1 = 4

0 = 3

but 0 ≠ 3

thus, this system has no solutions.

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