Answer:
16x - 20
Explanation:
Given
12(x - 4) + 4(x + 7) ← distribute both parenthesis
= 12x - 48 + 4x + 28 ← collect like terms
= 16x - 20
16x -20
12(x - 4) + 4(x + 7)
12x - 48 + 4x +28
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