document.write( "Question 1169747: solve the following pair of simultaneous equations.
\n" ); document.write( "3/5x - 4y = -1
\n" ); document.write( "0.8x - 3.5y = 1/2 \n" ); document.write( "

Algebra.Com's Answer #794580 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "solve the following pair of simultaneous equations.
\n" ); document.write( "3/5x - 4y = -1
\n" ); document.write( "0.8x - 3.5y = 1/2
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The other person's answers are WRONG!!
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document.write( "When solving systems, always try to work with the smallest numbers possible
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document.write( "Now, to get rid of the decimals and fractions, we multiply eqs (i) & (ii) by 10 to get:
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document.write( "6x - 40y = - 10 --- eq (iii)
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document.write( "8x - 35y = 5 ------ eq (iv)
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document.write( "You then multiply eq (iii) by 4 and eq (iv) by 3 to get:
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document.write( "24x - 160y = - 40 ---- eq (v)
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document.write( "24x - 105y = 15 ------ eq (vi)
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document.write( "       55y = 55 ------ Subtracting eq (v) from eq (vi)
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document.write( "I'll leave \"x\" for you to find! \n" );
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