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Art [367]
3 years ago
6

Justity each step in solving the equation 4x = 7(x - 3) by writing a reason for each statement Answer Statement Reason 1. 4x7x3)

1. 2. 4x = 7x - 21 2. 3. 3x = 21 3. 4X=7 4.
Mathematics
1 answer:
NemiM [27]3 years ago
4 0

Answer:

2. 4x = 7x - 21

Step-by-step explanation:

4x = 7(x - 3) \\ 4x = 7x - 21 \\ 21 = 7x  - 4x \\ 21 = 3x \\  \frac{21}{3}  = x \\ 7 = x \\

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Bob and mark talk about their families. Bob says he has 3 kids, the product of their ages is 72. He gives another clue: the sum
pychu [463]
I can only give possible combination of the ages. Had the sum of the ages been given, then the 3 specific numbers would have been derived.

We need to do prime factorization of 72.

72 ÷ 2 = 36
36 ÷ 2= 18
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1 x 2 x 2 x 2 x 3 x 3 = 72

Possible combinations:

1 x 8 x 9 = 72           1 + 8 + 9 = 18
1 x 4 x 18 = 72         1 + 4 + 18 = 23
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Step-by-step explanation:

Properties of a Parallelogram

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  3. Both Pairs of Opposite angles are Congruent
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