Answer:
[tex]3x-7y=-10_{(1)} \\x=5y+2_{(2)}\\[/tex]
Substituting Equation 2 into equation 1
[tex]3(5y+2)-7y=-10_{(3)} \\15y+6-7y=-10\\15y-7y+6=-10\\8y+6=-10\\8y=-10-6\\8y=-16\\y=\frac{-16}{8} \\y=-2\\[/tex]
Substitute the value of y into Equation 2
[tex]x=5y+2\\x=5(-2)+2\\x=-10+2\\x=-8\\[/tex]
Therefore x=-8, y=-2
Step-by-step explanation:
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