<PRE><B>Question 824310</B>
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y=2x+50
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graph
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{{{ graph( 300, 300, -50, 200, -50, 500, 2x+50) }}}
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400 = 2x + 50
350 = 2x
answer:
x = 175
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Solve systems of linear equations up to 6-equations 6-variables:
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