2/3x-1=1/2x+3 5(x-5)+2(x-12)=0 4x=3=2(x-1)+1 y+1/2=2-y/8=1
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2/3x-1=1/2x+3 5(x-5)+2(x-12)=0 4x=3=2(x-1)+1 y+1/2=2-y/8=1
2/7(3x+7)=2-3/2x 2x+5/6-3x-2/8=1
x取何值时,代数式4x-5与3x-6的值互为相反数?
k取何值时,代数式k+1/3的值比3k+1/2的值小1?
要全说完,我看了后,可以就的分 4x+3=2(x-1)+1
2/7(3x+7)=2-3/2x 2x+5/6-3x-2/8=1
x取何值时,代数式4x-5与3x-6的值互为相反数?
k取何值时,代数式k+1/3的值比3k+1/2的值小1?
要全说完,我看了后,可以就的分 4x+3=2(x-1)+1
2/3x-1=1/2x+3 2/3x-1/2x=3+1 1/6x=4 x=24
5(x-5)+2(x-12)=0 5x-25+2x-24=0 7x-49=0 x=7
4x=3=2(x-1)+1
y+1/2=2-y/8=1
2/7(3x+7)=2-3/2x 6/7x+2=2-3/2x 6/7x+3/2x=2+2 x=56/33
2x+5/6-3x-2/8=1 -x=1-5/6+2/8 x=5/12
x取何值时,代数式4x-5与3x-6的值互为相反数?
4x-5=-(3x-6) 4x+3x=6+5 x=11/7
k取何值时,代数式k+1/3的值比3k+1/2的值小1?
3k+1/2-(k+1/3)=1 k=5/12
5(x-5)+2(x-12)=0 5x-25+2x-24=0 7x-49=0 x=7
4x=3=2(x-1)+1
y+1/2=2-y/8=1
2/7(3x+7)=2-3/2x 6/7x+2=2-3/2x 6/7x+3/2x=2+2 x=56/33
2x+5/6-3x-2/8=1 -x=1-5/6+2/8 x=5/12
x取何值时,代数式4x-5与3x-6的值互为相反数?
4x-5=-(3x-6) 4x+3x=6+5 x=11/7
k取何值时,代数式k+1/3的值比3k+1/2的值小1?
3k+1/2-(k+1/3)=1 k=5/12
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