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blondinia [14]
3 years ago
6

Which equation shows the substitution method being used to solve the system of linear equations?

Mathematics
1 answer:
bonufazy [111]3 years ago
5 0
B. 
It says x = y + 3. So what they did was put y + 3 in the place of x. 
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A car costs$cents when new. It was sold for four fifths of its cost price. How much money was lost on the car.
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The question is incomplete as the cost price isn't given. However, taking the cost price as x :

Answer:

Kindly check explanation

Step-by-step explanation:

Given :

A car costs$cents when new. It was sold for four fifths of its cost price. How much money was lost on the car.

Let :

Cost price when new = x

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