robertmartinezovyvj4 robertmartinezovyvj4
  • 12-12-2017
  • Mathematics
contestada

solve the system algebraically.

y=3-1/2x

3x+4y=1

what is the value of x?

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sqdancefan
sqdancefan sqdancefan
  • 15-02-2018
Use the expression for y in the second equation.
.. 3x +4(3 -(1/2)x) = 1
.. 3x +12 -2x = 1
.. x +12 = 1
.. x = -11
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