3 years ago

Correct answer's only (Highlighted due to glitch) But please help.

Mathematics

1 answer:

andrew-mc [135]3 years ago

3 0

The easiest way is to plug x=-4, y=-1 in the equation to see which one works.
8(-4)-9(-1)=-23
B is correct.

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General Concepts and Formulas:

Brackets

Parentheses

Exponents

Multiplication

Division
Addition
Subtraction

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