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20 August, 18:17

Solve the system algebraically.

y=3-1/2x

3x+4y=1

what is the value of x?

+4
Answers (1)
  1. 20 August, 18:36
    0
    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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