Matematika Diketahui A = 5x - 2y dan B = 2x + y. Tentukan: A. A + BB. A - B​

toneywaelchiulv – April 08, 2023

Diketahui A = 5x - 2y dan B = 2x + y. Tentukan:
A. A + B
B. A - B​

Penjelasan dengan langkah-langkah:

A = 5x - 2y

B = 2x + y

Bagian A).

= A + B

= (5x - 2y) + (2x + y)

= 5x - 2y + 2x + y

= 5x + 2x - 2y + y

= (5 + 2)x - 2y + y

= 7x - 1y

= 7x - y

Bagian B).

= A - B

= (5x - 2y) - (2x + y)

= 5x - 2y - 2x - y

= 5x - 2x - 2y - y

= (5 - 2)x - 2y - y

= 3x - 3y

Jawaban:

A.

=A+B

=(5×2y)+(2×+y)

=5×2y)×-2y+y

=(5+2)×-2y+y

=7×-1y

=7×-y

B.

=5×-2y-2×y)

=5×-2y-2×-y

=5×-2×-24-y

=(5-2×-2y-y)

=3×-3y

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