What is the solution of the system? {2x+y=15 {x−y=3 The lesson is Linear Combination with Multiplication if that helps.

asked May 17, 2018 174k views

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What is the solution of the system?

{2x+y=15
{x−y=3

The lesson is Linear Combination with Multiplication if that helps.

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2x + y = 15
x - y = 3
---------------add
3x = 18
x = 18/3
x = 6

x - y = 3
6 - y = 3
-y = 3 - 6
-y = -3
y = 3

solution is (6,3)

ElArbi answered May 22, 2018

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Yuvraj asked Mar 3, 2019

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