5.6x=17.28-4x x等于几

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  • 5.6x=17.28-4x

    9.6x=17.28

    x=1.8

    3(x+2)=4(x+1)

    3x+6=4x+4

    x=2

    81x-342=76(x-2)

    81x-342=76x-152

    5x=190

    x=38

    2(x-4)=3(x-12)

    2x-8=3x-36

    x=28

    9.1-3x=4x+7

    7x=2.1

    x=0.3

    5(x+2)=3(x+4)

    5x+10=3x+12

    2x=2

    x=1

    4(x-1.2)=1.5x+5.2

    4x-4.8=1.5x+5.2

    2.5x=10

    x=4

    4分之x+3=3分之x-2又3分之2

    1/4x+3=1/3x-8/3

    1/12x=17/3

    x=68