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Verified answer
(7p + 5q - 8) + (7p - 5q + 8)= 7p + 7p + 5q - 5q - 8 + 8
= 14p
= (7p + 5q - 8) + (7p - 5q + 8)
karena diluar tanda kurung adalah positif, maka kita langsung mengeluarkan kurung
= 7p + 5q - 8 + 7p - 5q + 8
= 7p + 7p + 5q - 5q - 8 + 8
= 14p
Sekian, thanks! Semoga bermanfaat!