Question

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

Answer 1

Answer:

-8 + 3.2z

Step-by-step explanation:

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

-8 + 6.45z - 3.25z

collect like terms

-8 + 3.2z