2×(5×+2)-2x=3×(2x+3)+7
10x+4-2x=6x+9+7
8x+4=6x+16
8x-6x=16-4
2x=12
x=6
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2×(5×+2)-2x=3×(2x+3)+7
10x+4-2x=6x+9+7
8x+4=6x+16
8x-6x=16-4
2x=12
x=6