It is an expression that can be simplified to: -8x-4
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When simplified it is: 1-8x
x + 8x = 477 9x = 477 x = 53
8x+32 is an expession and can't be solved unless a value for x is given.
-8x + 3 = 251 -8x = 251 - 3 -8x = 248 -x = 248 ÷ 8 -x = 31 x = -31
8x+39 = 2x-15 6x = -54 x = -9