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answers for both boxes please ​

Answers For Both Boxes Please class=

Sagot :

Answer:

(-3, -6)

Step-by-step explanation:

y=2x

-3x-15=y

Use Substitution Method

-3x-15=2x

+3x      +3x

-15=5x

/5   /5

-3=x

y=2x

y=2(-3)

y=-6

Space

Answer:

(-3, -6)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Solving systems using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

y = 2x

-3x - 15 = y

Step 2: Solve for x

  1. Substitute in y:                    2x = -3x - 15
  2. Isolate x terms:                   5x = -15
  3. Isolate x:                              x = -3

Step 3: Solve for y

  1. Define equation:                     y = 2x
  2. Substitute in x:                        y = 2(-3)
  3. Multiply:                                   y = -6
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