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6x = 10y - 10
x + y + 7 = 0
What is x and y?

User AMJay
by
8.4k points

2 Answers

3 votes

Answer:

x=(-5)

y=(-2)

Explanation:

User Sergey Ratnikov
by
7.5k points
4 votes

Answer:

(-5, -2)

General Formulas and Concepts:

Pre-Algebra

  • Order of Operations: BPEMDAS

Algebra I

  • Equality Properties
  • Solving systems of equations using substitution/elimination

Explanation:

Step 1: Define systems

6x = 10y - 10

x + y + 7 = 0

Step 2: Rewrite systems

6x = 10y - 10

y = -x - 7

Step 3: Solve for x

  1. Substitute: 6x = 10(-x - 7) - 10
  2. Distribute 10: 6x = -10x - 70 - 10
  3. Combine like terms: 6x = -10x - 80
  4. Add 10x to both sides: 16x = -80
  5. Divide 16 on both sides: x = -5

Step 4: Solve for y

  1. Define: x + y + 7 = 0
  2. Substitute: -5 + y + 7 = 0
  3. Combine like terms: y + 2 = 0
  4. Subtract 2 on both sides: y = -2

And we have our answer!

User Victoria
by
8.6k points