document.write( "Question 1016241: Hi I need help with this math question which is Solve for the unknown variable\r
\n" );
document.write( "\n" );
document.write( "7x+8-2x= -5x-14+x I have tried this but I am not sure if it is right
\n" );
document.write( "7x-2x+8= -5x-14+x
\n" );
document.write( "5x-6= -5x+x
\n" );
document.write( "5x-4x= 6
\n" );
document.write( "x= 6 \n" );
document.write( "
Algebra.Com's Answer #632667 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "7x+8-2x= -5x-14+x \n" ); document.write( "7x-2x+8= -5x-14+x . Problem: ADD 14 to each side. \n" ); document.write( "5x-6= -5x+x . Problem: ADD (4x+22) to each side \n" ); document.write( "5x-4x= 6 \n" ); document.write( "x= 6 \n" ); document.write( "To check, plug 6 into original equation.(It doesn't work) \n" ); document.write( ". \n" ); document.write( "Correct: \n" ); document.write( "7x+8-2x=-5x-14+x . Combine like terms. \n" ); document.write( "5x+8=-4x-14 . Add 4x to each side. \n" ); document.write( "9x+8=-14 . Subtract 8 from each side. \n" ); document.write( "9x=-22 . Divide each side by 9. \n" ); document.write( "x=(-22/9) \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( ". \n" ); document.write( "7x+8-2x=-5x-14+x \n" ); document.write( "7(-22/9)+(72/9)-2(-22/9)=-5(-22/9)-(126/9)+(-22/9) \n" ); document.write( "(-154+72+44)/9=(110-126-22)/9 \n" ); document.write( "-38=-38 \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |