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x+5+2x-6+4x+10 = 40
7x+9 = 40
7x = 40-9
7x = 31
x = 31/7
x+5 = 31/7 + 35/7 = 66/7
2x-6 = 62/7-42/7 = 20/7
4x+10 = 4.31/7 + 70/7 = 124/7 + 70/7
= 194/7