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3 years ago

12

2x + 3y = 23 -1(2x + y = 13

2 answers:

notsponge [240]3 years ago

6 0

Answer:

y= 9

x = -2

Step-by-step explanation:

Y= 9, X = -2 I use the simultaneous equation to solve it.

vivado [14]3 years ago

3 0

Answer:

2x +3y= 5xy

-1(2x+y= 2xy+-1 = -3xy

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