4.5 is one-sixth of 27. In order to get that just simply multiple 1/6 and 27.
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22/27 is the simplest form for 22 over 27.
9x+27 = -81 9x = -81-27 9x = -108 x = -12
-24
8x + 33 = 7x + 27 Subtract 7x from both sides: x + 33 = 27 Subtract 33 from both sides: x = -6
commutative property