document.write( "Question 807230: solve for the variable:
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document.write( "3(a+4)+a = 7a-(a-2)-10 \n" );
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Algebra.Com's Answer #486478 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! By algebraic simplification: \n" ); document.write( "--- \n" ); document.write( "3(a + 4) + a = 7a - (a - 2) - 10 \n" ); document.write( "3a + 12 + a = 7a - a + 2 - 10 \n" ); document.write( "4a + 12 = 6a - 8 \n" ); document.write( "6a - 4a = 12 + 8 \n" ); document.write( "2a = 20 \n" ); document.write( "--- \n" ); document.write( "Answer: \n" ); document.write( "a = 10 \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( " |