Question

Given that 2x – 9y = 11

Find y when x = 7
=
Give your answer as a fraction in its simplest form.


PLEASE HELP IM DESPERATE

Answer 1

y = 1/3

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

Explanation:

Step 1: Define

Identify

2x - 9y = 11

x = 7

Step 2: Evaluate

1. Substitute in x: 2(7) - 9y = 11
2. Multiply: 14 - 9y = 11
3. [Subtraction Property of Equality] Subtract 14 on both sides: -9y = -3
4. [Division Property of Equality] Divide -9 on both sides: y = 1/3