Question

-15z + 7(8+4z) solution and reason

Answer 1

Answer:

$\boxed{\sf 13z+56}$

Step-by-step explanation:

$\sf -15z + 7(8+4z)$

$\boxed{\sf Use\: the \:distributive \:property }$

• $\sf -15z+56+28z$

$\boxed{\sf Combine\: like \:terms:}$

• $\sf -15z\: + \: 28z= 13z$

• $\sf 13z+56$

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Answer 2

Hey there!

-15z + 7(8 + 4z)

DISTRIBUTE 7 WITHIN the PARENTHESES

= -15z + 7(8) + 7(4z)

= -15z + 56 + 28z

COMBINE the LIKE TERMS

= (-15z + 28z) + (56)

(WE LEFT 56 ALONE BECAUSE IT DOES NOT HAVE ANY LIKE TERMS!)

= 56 + 13z

= 13z + 56

Therefore, your answer is: 13z + 56

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)