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20 December, 00:06

Solve.

8 - 2d = c

4c + 3d = 2

c = ?

d = ?

+2
Answers (1)
  1. 20 December, 00:15
    0
    Substitute eqn 1 into eqn 2

    4 (8 - 2d) + 3d = 2

    32 - 8d + 3d = 2

    5d = 30

    d = 6

    Substitute d = 6 into eqn 1

    8 - 2 (6) = c

    c = - 4
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