document.write( "Question 814145: Please solve the provided system of linear equations by the substitution method.
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document.write( " 6x+9y=6
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document.write( " 2x=2-3y \n" );
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Algebra.Com's Answer #490145 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! 6x + 9y = 6 \n" ); document.write( "x + (3/2)y = 1 \n" ); document.write( "x = 1 - (3/2)y \n" ); document.write( "--- \n" ); document.write( "2x = 2 - 3y \n" ); document.write( "--- \n" ); document.write( "2x = 2 -3y \n" ); document.write( "2(1 - (3/2)y) = 2 - 3y \n" ); document.write( "2 - 3y = 2 - 3y \n" ); document.write( "2 = 2 \n" ); document.write( "--- \n" ); document.write( "the two linear equations appear to describe the same line \n" ); document.write( "--- \n" ); document.write( "check: \n" ); document.write( "put in slope-intercept form: \n" ); document.write( "9y = -6x + 6 \n" ); document.write( "y = (-2/3)x + 2/3 \n" ); document.write( "--- \n" ); document.write( "put in slope-intercept form: \n" ); document.write( "2x = 2 - 3y \n" ); document.write( "3y = -2x + 2 \n" ); document.write( "y = (-2/3)x + 2/3 \n" ); document.write( "--- \n" ); document.write( "Answer: \n" ); document.write( "the two linear equations describe the same line \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |