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FromTheMoon [43]
4 years ago
13

Which table shows the correct methods used to justify the solution steps? 3 (x minus 5) + 7 x = 65 A 2-column table with 4 rows.

Column 1 is labeled Solution step with entries 3 x minus 15 + 7 x = 65, 10 x minus 15 = 65, 10 x = 80, x = 8. Column 2 is labeled Method to Justify with entries division property of equality, combine like terms, distributive property, addition property of equality. A 2-column table with 4 rows. Column 1 is labeled Solution step with entries 3 x minus 15 + 7 x = 65, 10 x minus 15 = 65, 10 x = 80, x = 8. Column 2 is labeled Method to Justify with entries distributive property, combine like terms, addition property of equality, division property of equality. A 2-column table with 4 rows. Column 1 is labeled Solution step with entries 3 x minus 15 + 7 x = 65, 10 x minus 15 = 65, 10 x = 80, x = 8. Column 2 is labeled Method to Justify with entries distributive property, addition property of equality, combine like terms division property of equality. A 2-column table with 4 rows. Column 1 is labeled Solution step with entries 3 x minus 15 + 7 x = 65, 10 x minus 15 = 65, 10 x = 80, x = 8. Column 2 is labeled Method to Justify with entries division property of equality, combine like terms, addition property of equality, distributive property.

Mathematics
2 answers:
Maksim231197 [3]4 years ago
7 0

Answer:

The correct option is;

A 2-column table with 4 rows. Column 1 is labeled Solution steps with entries 3·x minus 15 + 7·x = 65, 10·x minus 15 = 65, 10·x = 80, x = 8. Column 2 is labeled Method to Justify with entries distributive property, addition property of equality, combine like terms division property of equality

Step-by-step explanation:

The question is 3·(x - 5) + 7·x = 65

3·x - 3×5 + 7·x = 65

3·x + 7·x  - 3×5 = 65

10·x  - 15 = 65

10·x  = 65 + 15 = 80

x = 80/10 = 8

Therefore, we have;

Solution steps,                                           Method to Justify

3·x - 15 + 7·x = 65,                                      Distributive property

10·x - 15 = 65,                                             Addition property of equality

10·x = 80,                                                    Combine like terms

x = 8,                                                           Division property of equality.

Brut [27]4 years ago
6 0

Answer:

B.

Step-by-step explanation:

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