4x-(x-6)=7(a-b)-(-4a=3b)

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4x-(x-6)=7(a-b)-(-4a=3b)

4x-(x-6)=7(a-b)-(-4a=3b)
4x-(x-6)=
7(a-b)-(-4a=3b)

4x-(x-6)=7(a-b)-(-4a=3b)
4x-(x-6)
=4x-x+6
=3x+6
7(a-b)-(-4a+3b)
=7a-7b+4a-3b
=11a-10b

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3x+6
11a-10b