From your second line, I will guess that the first line means the following:
. . . . .(-1/9)(x - 27) + (1/3)(x + 3) = x + 25
Then you multiplied through by 9, giving:
. . . . .-1(x - 27) + 3(x + 3) = 9(x + 25)
You multiplied the 9 through the parentheses on the right-hand side. Now multiply the -1 and the 3 through the parentheses on the left-hand side. Simplify, and solve the resulting linear equation.
If you get stuck, please reply showing your steps. Thank you.
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