SOLUTION: y=-7x+23 4x-3y=6

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Question 182453: y=-7x+23
4x-3y=6

Answer by HyperBrain(694) About Me  (Show Source):
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Replace y in 4x-3y=6 by -7x+23.
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4x-3(-7x+23)=6
4x-(-21x+69)=6
25x-69=6
25x=75
x=3
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find the value of x.
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y=-7x+23=-7(3)+23=-21+23=2
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Therefore, x=3; y=2.
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