document.write( "Question 253544: 4y+5x=-12 \n" ); document.write( "
Algebra.Com's Answer #185869 by richwmiller(17219)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "So do you have a question about that equation or should we read your mind.
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Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
Equation \"5+x+%2B+4+y+=+-12\" describes a sloping line. For any
\n" ); document.write( " equation ax+by+c = 0, slope is \"-a%2Fb+=+-5%2F4\".
  • X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x = c/a. -12/5 = -2.4.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is -12/4 = -3.
  • Slope is -5/4 = -1.25.
  • Equation in slope-intercept form: y=-1.25*x+-3.
\"graph%28+500%2C+500%2C+-2.4-8%2C+-2.4%2B8%2C+-3-8%2C+-3%2B8%2C+-1.25%2Ax%2B-3+%29+\"\n" ); document.write( "
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