document.write( "Question 814422: Ten years from now Amy will be three times as old as she was four years ago.
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document.write( "I got x+10=3x-4. After I solved I got x=7 So her age would be 7+10=17 years right? \n" );
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Algebra.Com's Answer #490297 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! a + 10 = 3(a - 4) \n" ); document.write( "a + 10 = 3a - 12 \n" ); document.write( "22 = 2a \n" ); document.write( "--- \n" ); document.write( "a = 11 \n" ); document.write( "--- \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( " |