Answer asap for 10 points‼?

May 2021 3 130 Report

Answer asap for 10 points‼?

Part 1: Decide whether you would use the graphing, substitution, or elimination method to solve the following system of equations. Explain, in complete sentences, why you chose that method.

Part 2: Solve the following system of equations and show all of your work.

2x + 5y = −3

−15x − 5y = −10

Science & Mathematics / Mathematics

Rephie M

Verified answer

I would use elimination because it's all set up. You have a positive and negative 5, so they will cancel each other out very nicely.

2x+5y= -3

-15x-5y=-10

-13x= -13

x=1

-15(1)-5y=-10

-5y=5

y=-1

x=1 y=-1

ben e

I would use the elimination method because when you add the two equations, the variable y is eliminated.

Add the two equations:

-13x = -13

x = 1

Substitute:

2 + 5y = -3

5y = -5

y = -1

(1,-1) is the solution.

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