Question

Which expression is equivalent to -0.8(10.8x-20+3.2x)

Answer 1

-0.8* 10.8x= -8.64x
-0.8* -20=  16
-0.8* 3.2x =-2.56x

so it is equivalent to the expression -8.64x+16-2.56x but add like terms so it becomes -8.64x-2.56x+16. The final answer is -11.2x=16

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