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Solve the system of equations by substitution
5x +y = 36
y = 4x

Solve the system of equations by substitution 5x +y = 36 y = 4x-example-1
User Taewan
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2 Answers

5 votes
5 votes
To start off your going to plug in 4x into the equation. Which will turn into 5x + 4x = 36. You will add 5 and 4 since they both have an x in it. Which would leave you to 9x = 36. Only thing left to do is divide 36 by 9. Which would equal to 4 and that will be your answer. X=4
User Altealice
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2.9k points
14 votes
14 votes

Explanation:

The answer is mentioned above.

Solve the system of equations by substitution 5x +y = 36 y = 4x-example-1
User Kiedysktos
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3.2k points