38373554 38373554

04-02-2020
Mathematics

contestada

simplify the expression -2+6.45z-6+(-3.25z)

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04-02-2020

Answer:

-8 + 3.2z

Step-by-step explanation:

when there is a "+" in front of an expression in parentheses, the expression remains the same
-2 + 6.45z - 6 - 3.25z
calculate the difference

-8 + 6.45z - 3.25z

collect like terms

-8 + 3.2z

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