a = 3x + 5y
b = 4x - 2y
Penyelesaian :
a. A + B = 3x + 5y + 4x - 2y
A + B = 7x + 3y
b. A - B = 3x + 5y - (4x - 2y)
= 3x + 5y - 4x + 2y
A - B = -x + 7y
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a = 3x + 5y
b = 4x - 2y
Penyelesaian :
a. A + B = 3x + 5y + 4x - 2y
A + B = 7x + 3y
b. A - B = 3x + 5y - (4x - 2y)
= 3x + 5y - 4x + 2y
A - B = -x + 7y
A-B = -x + 7y