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x·(-9)+38 = 2
-9x+38 = 2
-9x = 2-38
-9x = -36
x = -36÷(-9) = 4
4x+16 = 8
4x = 8-16
4x = -8
x = -8÷4 = -2
-5x-25 = 0
-5x = 25
x = 25÷(-5)
x = -5