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Bas_tet [7]
3 years ago
9

What is the solution to the system? y=9×+5 y=9×-7

Mathematics
1 answer:
velikii [3]3 years ago
5 0

Answer:

Step-by-step explanation:

hello :

y=9×+5

y=9×-7

9x+5 = 9x-7

5=-7   false  .....no solutions

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Which expression is equivalent to 4 (3n - 5)?
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Expression 4 (3n - 5) is equivalent to <em><u>C: 12n - 20</u></em>

<h3>Further explanation </h3>

Algebraic expressions in mathematics are a combination of coefficients, numbers, variables, constants and arithmetic operations such as addition, subtraction, multiplication, and division.

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We can use distributive  property  of <em>substraction   </em>to solve the problem

\displaystyle =4(3n-5)\\\\=4x3n - 4x5\\\\=12n-20

"Equivalent to" means having the same value.

From the answer choices , which produce the same expression is C. 12n-20

<h3>Learn more </h3>

6 squared divided by 2 (3) +4

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an algebraic expression

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Keywords: PEMDAS, arithmetic operations, multiply, Parentheses, equivalent to

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