3 years ago

Please help serious answers only

Mathematics

2 answers:

pishuonlain [190]3 years ago

6 0

90-7x3

90-21=69

Ther you go have a great day

jonny [76]3 years ago

5 0

Answer:

Step-by-step explanation:

We are given the expression:

$\displaystyle \large{10y - 7z}$

Evaluate the expression when y = 9 and z = 3; substitute y = 9 and z = 3 in the expression.

$\displaystyle \large{10(9)- 7(3)} \\ \displaystyle \large{90- 21} \\ \displaystyle \large{69}$

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