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3ⅹ(2ⅹ-4)+6=26+2ⅹ(ⅹ+2)求ⅹ是多少
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3×(2ⅹ-4)+6=26+2×(ⅹ+2)
解:3×2x-3×4+6=26+2×x+2×2
6x-12+6=26+2x+4
6x-6=30+2x
6x-2x=30+6
4x=36
x=36÷4
x=9
解:3×2x-3×4+6=26+2×x+2×2
6x-12+6=26+2x+4
6x-6=30+2x
6x-2x=30+6
4x=36
x=36÷4
x=9
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