Linear system

Solve a set of two equations of two unknowns:

1.5x+1.2y=0.6
0.8x-0.2y=2

Correct answer:

x =  2
y =  -2

Step-by-step explanation:

1.5x+1.2y=0.6
0.8x-0.2y=2

1.5•x+1.2•y=0.6
0.8•x-0.2•y=2

1.5x+1.2y = 0.6
0.8x-0.2y = 2

x = 2
y = -2

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