Solve this simultaneous equation.
3x5y - 39
3x + 2y = 30
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Answer:
Penjelasan dengan langkah-langkah:
3x + 5y = 39
3x + 2y = 30
3y = 9
y = 3
3x + 15 = 39
3x = 39 - 15
3x = 24
substitusi:
3x + 5(3) = 39
x = 8
Step-by-step explanation:
3x + 5y = 39
3x + 2y = 30
y = 3
y = 9/3
3y = 9
0 + 3y = 9
3x - 3x + 5y - 2y = 39 - 30
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