Question

Select all expressions equivalent to “-6z+(-5.5)+3.5z+5y-2.5.

*answer choices*
A.-8+5y+2.5z
B.-2.5z+5y-8
C.-8+5y+(2.5z)
D.2.5y+(-2.5z)-5.5
E.5y-8-2.5z

Answer 1

The equivalent expression to -6z+(-5.5)+3.5z+5y-2.5 is -2.5z+5y-8.

Step-by-step explanation:

To simplify the expression -6z+(-5.5)+3.5z+5y-2.5, we can combine the like terms. The like terms in this expression are the terms with the same variables. Combining the like terms, we get -6z+3.5z+5y+(-5.5)-2.5. Adding the coefficients of the like terms, we have -2.5z+5y-8.

Therefore, the expression -6z+(-5.5)+3.5z+5y-2.5 is equivalent to option B. -2.5z+5y-8.

Answer 2

B.) -2.5 z + 5 y - 8

Step-by-step explanation:

- 6 z + ( - 5.5 ) + 3.5 z + 5 y - 2.5

combine like terms

- 6 z + 3.5 z + 5 y -5.5 - 2.5

- 2.5 z + 5 y - 8