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Oliga [24]
3 years ago
9

Why are equivalent equations important when solving a system using linear combination?

Mathematics
1 answer:
TiliK225 [7]3 years ago
7 0

Answer:

Linear equations are an important tool in science and many everyday applications. They allow scientist to describe relationships between two variables in the physical world, make predictions, calculate rates, and make conversions, among other things. Graphing linear equations helps make trends visible.

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Answer:

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Step-by-step explanation:

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2 years ago
Solve this equation 3(2x+3)=9
Scilla [17]

Answer:

0

Step-by-step explanation:

Isolate the variable x. First, distribute 3 to all terms within the parenthesis.

3(2x + 3) = 3(2x) + 3(3) = 6x + 9

6x + 9 = 9

Isolate the variable x. Note the equal sign, what you do to one side, you do to the other. First, subtract 9 from both sides.

6x + 9 (-9) = 9 (-9)

6x = 0

Divide 6 from both sides.

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3 0
3 years ago
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tatyana61 [14]
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3 years ago
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Answer:

Step-by-step explanation:

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