document.write( "Question 182892: Graph the equation: 750x + 150y = 500 for x values from minus ten to plus ten. Show steps and explain \n" ); document.write( "
Algebra.Com's Answer #137292 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
Graph the equation: 750x + 150y = 500 for x values from minus ten to plus ten. Show steps and explain
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document.write( "Solve for y:\r\n" );
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document.write( "\"750x+%2B+150y+=+500\"\r\n" );
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document.write( "Substitute \"x=-10\"\r\n" );
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document.write( "\"750x+%2B+150y+=+500\"\r\n" );
document.write( "\"750%28-10%29+%2B+150y+=+500\"\r\n" );
document.write( "\"-7500+%2B+150y+=+500\"\r\n" );
document.write( "\"150y+=+500%2B7500\"\r\n" );
document.write( "\"y+=+500%2F150%2B+7500%2F150\"\r\n" );
document.write( "\"y=8000%2F150\"\r\n" );
document.write( "\"y=160%2F3\"\r\n" );
document.write( "\"y=53%261%2F3\"\r\n" );
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document.write( "So at one end we have the point \r\n" );
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document.write( "\"++matrix%281%2C4%2C+%22%28%22+%2C%22-10%2C%22+%2C53%261%2F3%2C%22%29%22+%29+\"\r\n" );
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document.write( "Substitute \"x=10\"\r\n" );
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document.write( "\"750x+%2B+150y+=+500\"\r\n" );
document.write( "\"750%2810%29+%2B+150y+=+500\"\r\n" );
document.write( "\"7500+%2B+150y+=+500\"\r\n" );
document.write( "\"150y+=+500-7500\"\r\n" );
document.write( "\"y+=+500%2F150-7500%2F150\"\r\n" );
document.write( "\"y=-7000%2F150\"\r\n" );
document.write( "\"y=-140%2F3\"\r\n" );
document.write( "\"y=-46%262%2F3\"\r\n" );
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document.write( "So at the other end we have the point \r\n" );
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document.write( "\"++matrix%281%2C4%2C+%22%28%22+%2C%2210%2C%22+%2C-46%262%2F3%2C%22%29%22+%29+\" \r\n" );
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document.write( "\"graph%28200%2C200%2C-10%2C11%2C-60%2C60%2C%28500-750x%29%2F150%29\"\r\n" );
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document.write( "Edwin

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