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21 July, 18:08

For the following system, use the second equation to make a substitution for y in the first equation.

3x + y = 1

y + 4 = 5x

What is the resulting equation?

+1
Answers (1)
  1. 21 July, 20:03
    0
    y=5x-4 therefore 3x + 5x - 4=1 8x=5 x=5/8 =.625

    3 (.625) + y = 1 1.875 + y=1 y = - 0.875
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