Question

9. The sum of 3x + 11 and 2x – 7 is ..................

10. The side length of the top of square table is x. The expression for perimeter is .............

11. The value of 3x2 – 5x + 3 when x = 1is ..............​

Answer 1

Answer:

5x-4

4 a square

1

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Answer 2

9.3x+11=2x-7

3x-2x=-7-11

1x=-18

x=-18