4 years ago

Write two ways to group and add 2+3+4

Mathematics

2 answers:

Dahasolnce [82]4 years ago

6 0

You could do (2+3)+4 or (4+3)+2

Vaselesa [24]4 years ago

4 0

You can to 7+2 or 6+3 or 5+4.

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Step-by-step explanation:

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4 years ago

-3x-3y=3 ,y=-5x-17 solving systems by substitution

Law Incorporation [45]

Answer:

(-4, 3)

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 by substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

-3x - 3y = 3

y = -5x - 17

Step 2: Solve for x

Substitution

Substitute in y: -3x - 3(-5x - 17) = 3
Distribute -3: -3x + 15x + 51 = 3
Combine like terms: 12x + 51 = 3
Isolate x term: 12x = -48
Isolate x: x = -4

Step 3: Solve for y

Define equation: y = -5x - 17
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Multiply: y = 20 - 17
Subtract: y = 3

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3 years ago

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seraphim [82]

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Step-by-step explanation:

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Compare the two groups of data. Which statement is true?

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3 years ago

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