7x + 10 + 3x - 6 = 33
7x + 3x = 33 - 10 + 6
10x = 29
x = 29/10
x = 2,9
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10х=29
х=29/10
7x + 10 + 3x - 6 = 33
7x + 3x = 33 - 10 + 6
10x = 29
x = 29/10
x = 2,9