Question

Question 1
6(x + 9) = 15 solve it and verify the answer.

Answer 1

Answer:

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Answer 2

Answer:

$x = \frac{ - 13}{2} \: or \: x = - 6.5$

Step-by-step explanation:

$6(x + 9) = 15 \\ 6x + 54 = 15 \\ 6x = 15 - 54 \\ 6x = - 39 \\ x = \frac{ - 39}{6} \\ x = \frac{ - 13}{2} \\ or \: x = - 6.5$

Verifying the Answer:

Put x = -7.5 in equation 6(x+9) = 15

6 [(-6.5) + 9] = 15

6 (2.5) = 15

Therefore, 6 × 2.5 = 15

15 = 15

Therefore,

L.H.S. = R.H.S.

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