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Harlamova29_29 [7]
3 years ago
12

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:

69

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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