Question

2) If 5x+8 = 4, then 3x=? )​

Answer 1

Answer:

7.2

Explanation:

5x + 8 = 4

=> x = (4+8)/5

=> x = 12/5 = 2.4

Therfore, 3x = 3 × 2.4 = 7.2

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Answer 2

Answer:

7.2

Explanation:

5×+ 8= 4

==> × (4+8) /5

==> × 12/5= 2.4

Therefore. 3× = 3× 2.4= 7.2

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