Tentukan himpunan penyelesaian dengan metode eliminasi substitusi: 2× + 4y = 7. 4× - 3y = 3

2x + 4y = 7 (2) ---> 4x + 8y = 14
4x - 3y = 3 (1) ---> 4x - 3y = 3
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11 y = 11
y = 1
4x - 3y = 3
4x - 3.1 = 3
4x - 3 = 3
4x = 6
x = 6/4
= 3/2