Question

X + y = 10 and x - y = 2 *

Answer 1

x = 10 - y = -2+ x

Explanation:

Answer 2

(6, 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
• Subtract Property of Equality

Algebra I

• Solving systems of equations using substitution/elimination

Explanation:

Step 1: Define Systems

x + y = 10

x - y = 2

Step 2: Solve for x

Elimination

1. Combine equations: 2x = 12
2. Divide 2 on both sides: x = 6

Step 3: Solve for y

1. Define equation: x - y = 2
2. Substitute in x: 6 - y = 2
3. Isolate y term: -y = -4
4. Isolate y: y = 4