solve 2x+3y=13 with 4x+5y=23

3 answers

2x + 3y = 13

4x + 5y = 23

multiply the first equation by 4, the second by 2, add:

8x + 12y = 52
subtract these two equations
8x + 10y = 46

______________

2y = 6 Divide 2
y=3

Where is x

you are supposed to plug in the y to find the x

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