document.write( "Question 6187: Can u solve these problems by steps?\r
\n" ); document.write( "\n" ); document.write( "1 3/2x+4=-9
\n" ); document.write( " 3/2x=-9-4
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\n" ); document.write( "2 2(3x-7)+4x=26\r
\n" ); document.write( "\n" ); document.write( "3 4-3x=5-6x-7\r
\n" ); document.write( "\n" ); document.write( "8 solve the equations : y=2x+5 and 3x-2y=10\r
\n" ); document.write( "\n" ); document.write( "9 solve the equations : 6x-3y=11 and 6x+3y=17\r
\n" ); document.write( "\n" ); document.write( "10 solve the equations 3x+5y=22 and 4x+3y=11
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Algebra.Com's Answer #3333 by bijar(1)\"\" \"About 
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1 3/2x+4=9
\n" ); document.write( " 3/2x=-9-4
\n" ); document.write( " 3/2x=-13
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\n" ); document.write( " we use the algebric rule of changing the sides,
\n" ); document.write( " -3/13=2x
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\n" ); document.write( "\n" ); document.write( " -3/26=x answer \r
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\n" ); document.write( "\n" ); document.write( "2 2(3x-7)+4x=26
\n" ); document.write( " 6x-14+4x=26
\n" ); document.write( " 10x=26+14
\n" ); document.write( " 10x=40
\n" ); document.write( " x=40/10
\n" ); document.write( " x=4 answer\r
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\n" ); document.write( "\n" ); document.write( "3 4-3x=5-6x-7
\n" ); document.write( " 4-3x=-2-6x
\n" ); document.write( " 4+2=-6x+3x
\n" ); document.write( " 6=-3x
\n" ); document.write( " -6/3=x
\n" ); document.write( " x=-2 answer\r
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\n" ); document.write( "\n" ); document.write( "8 y=2x+5 and 3x-2y=10
\n" ); document.write( " let y=2x+5 be equation 1
\n" ); document.write( " let 3x-2y=10 be equation 2
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\n" ); document.write( " substitute equation 1 into equation 2
\n" ); document.write( " 3x-2(2x+5)=10
\n" ); document.write( " now , we will multiply -2 by (2x+5)
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\n" ); document.write( " 3x-4x-10=10
\n" ); document.write( " -x=10+10
\n" ); document.write( " -x=20 y=2(-20)+5
\n" ); document.write( " y=-40+5
\n" ); document.write( " y=-35
\n" ); document.write( " x=-20 answer\r
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\n" ); document.write( "\n" ); document.write( "9 6x-3y=11 and 6x+3y=17
\n" ); document.write( " let 6x-3y=11 be equation 1 and 6x+3y=17 be equation 2
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\n" ); document.write( " solving equation 1 , 6x-11=3y
\n" ); document.write( " 6x/3 -11/3=y
\n" ); document.write( " 2x-11/3=y
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\n" ); document.write( " 6x+3(2x-11/3)=17 y=2(7/3)-11/3
\n" ); document.write( " y=14/3-11/3
\n" ); document.write( " y=3/3 , y=1
\n" ); document.write( " 6x+6x-11=17
\n" ); document.write( " 12x=28
\n" ); document.write( " x=28/12
\n" ); document.write( " x=7/3 answer\r
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\n" ); document.write( "\n" ); document.write( "10 3x+5y=22 is equation 1
\n" ); document.write( " 4x+3y=11 is equation 2
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\n" ); document.write( " solve equation 1
\n" ); document.write( " 3x=22-5y
\n" ); document.write( " x=22/3-5y/3
\n" ); document.write( " substitute in equation 2.
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\n" ); document.write( "\n" ); document.write( " 4(22/3-5y/3)+3y=11
\n" ); document.write( " 88/3-20y/3+3y=11
\n" ); document.write( " -20y+9y =3(11-88/3)
\n" ); document.write( " -11y=3(-55/3)
\n" ); document.write( " -11y=-55 both minus signs are cancelled
\n" ); document.write( " 11y=55
\n" ); document.write( " y=5
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\n" ); document.write( "\n" ); document.write( " 3x+5y=22
\n" ); document.write( " 3x+5(5)=22
\n" ); document.write( " 3x=22-25
\n" ); document.write( " 3x=-3
\n" ); document.write( " x=-1\r
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