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2 years ago

Easy multiple choice!

Mathematics

2 answers:

Katyanochek1 [597]2 years ago

6 0

Answer:

-4

Step-by-step explanation:

Have a great day, my dudes!

Zepler [3.9K]2 years ago

5 0

Answer:

-4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

4x + 5y = -12

-2x + 3y = -16

Step 2: Rewrite Systems

-2x + 3y = -16

Multiply everything by 2: -4x + 6y = -32

Step 3: Redefine Systems

4x + 5y = -12

-4x + 6y = -32

Step 4: Solve for y

Elimination

Combine 2 equations: 11y = -44
Divide 17 on both sides: y = -4

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