November 2018 2 57 Report
2. Tentukanlah jumlah dari :
a. 5x + 3y dan 2x -3y
b. 4a + b - 3c - d dan 2a + 3b - 2c + 3d
c. 3a + 5b + 3c + 6d dan 6a - 7b - 7c - 2d
d. 5p + 2r - 3s + 6t dan 7p - 2r - 3s - 6t
e. 4x - 2y - 4z - 8 dan 4x + 2y + 5z + 8

MOHON DIJAWAB :D
(Aljabar kelas 7 bab 2)
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