Answer:
15.4z -12
Explanation:
in order to combine the like terms from 7.4z−5(−1.6z+2.4) to create an equivalent expression we need to follow the BODMAS rules
B...................... Bracket open
O.................. of
D................ division
A..................... addition
S........................ subtraction
so from the equation
7.4z−5(−1.6z+2.4)
7.4z + 8z - 12
15.4z -12.................... this is the equivalent expression created.