Answer: 6x - 21
Explanation:
3 times 2x is 6x (positive x positive = positive
3 x -7 is -21 (positive x negative = negative)
Tip: same symbols mean positive and opposite symbols mean negative
Answer:
6x - 21
3(2x - 7)
3(2x) + 3(-7)
6x + (-21)
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