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davidlingenfelter

Answer:

3(2x-5y) = 3(-1)

2(-3x+2y)= 2(7)

6x-15y = -3

-6x +4y = 14

now, add the two equations

0x - 11y = 11

divide both sides by -11

y = -1

insert -1 in for y in either original equation and solve for x.

2x -5(-1) = -1

2x +5 = -1

2x +5 -5 = -1 -5

2x = -6

2x ÷2 = -6 ÷2

x= -3

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