Question

Y = 3x-2 estimate the value of x when y=3

Answer 1

Answer:

x = 5/3

General Formulas and Concepts:
Algebra I

Equality Properties

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

Step-by-step explanation:

Step 1: Define

Identify given.

y = 3x - 2

y = 3

Step 2: Solve for x

1. [Equation] Substitute in y:
   3 = 3x - 2
2. [Addition Property of Equality] Add 2 on both sides:
   5 = 3x
3. [Division Property of Equality] Divide 3 on both sides:
   5/3 = x
4. Rewrite:
   x = 5/3

∴ the value of x when y = 3 is equal to 5/3, or approximately 1.67.

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Topic: Algebra I