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14-11-2018
Mathematics

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are the two expressions equivalent when x equals 2? 7(8x + 5) and 48x+35

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15-11-2018

Evaluate {7 (8 x + 5), 45 + 38} where x = 2:

{7 (8 x + 5), 45 + 38} = {7 (8 2 + 5), 45 + 38}

8×2 = 16:

(7 (16 + 5), 45 + 38)

| 1 |

| 1 | 6

+ | | 5

| 2 | 1:

(7×21, 45 + 38)

7×21 = 147:

(147, 45 + 38)

| 1 |

| 4 | 5

+ | 3 | 8

| 8 | 3:

Answer: (147, 83)

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