Solve this system of linear equations. Separate the x- and y-values with a comma. 18x + 15y = 3 3x - 2y = 5

asked Sep 11, 2023 179k views

2 votes

Solve this system of linear equations. Separate

the x- and y-values with a comma.
18x + 15y = 3
3x - 2y = 5

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6 votes

Answer:
x=1, y=-1

Explanation:

$3x-2y=5 \implies 18x-12y=30\\\\\therefore (18x+15y)-(18x-12y)=3-30\\\\27y=-27 \implies y=-1\\\\\therefore 18x+15(-1)=3 \implies x=1$

Lenn answered Sep 17, 2023

by Lenn

3.3k points

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