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1. Bentuk sederhana dari 3 - (4x - 7) = .....
A . -4x + 10
B . -4x - 10
C . -4x + 4
D . -4x - 4
Kunci : A
Penyelesaian :
3 - (4x - 7) = 3 - 4x + 7
= -4x + (3 + 7)
= -4x + 10