1 answer:
Answers:
1. (9x + 16 + 2) + 2x
= (9x + 18) + 2x
= 9x + 18 + 2x
= <u>11x + 18</u>
2. 7 × 14 - 2(x + 4)
= 98 - 2x - 8
= <u>90 - 2x</u>
3. x - 3 + 7(x + 3) - 3x - 12
= x - 3 + 7x + 21 - 3x - 12
= <u>5x + 6</u>
i hope this helps! i can help to clarify anything here if you need me to
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