Solve the simultaneous equation: 8d - 4e = 28 6d + 3e = 3

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23 votes

Solve the simultaneous equation:
8d - 4e = 28
6d + 3e = 3

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17 votes

Answer: d=2 and e= -3

Explanation:

(8d-4e=28)*3 => 24d-12e=84

(6d+3e=3)*4 => 24d+12e=12

24d+24d-12e+12e=84+12

=> 48d=96

=> d=2

d=2 => 8*2-4e=28

=> e= -3

Mullins answered Feb 7, 2022

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