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What is the value of x in the solution to the system of equations shown???
-7
1.6
2.4
4

What Is The Value Of X In The Solution To The System Of Equations Shown 7 16 24 4 class=

Sagot :

Space

Answer:

x = 4

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Algebra I

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

7x + y = 14

-2x - y = 6

Step 2: Solve for x

Elimination

  1. Combine 2 equations:                                                                                     5x = 20
  2. [Division Property of Equality] Divide 5 on both sides:                                  x = 4
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