Answer:
y = 2M - x
Step-by-step explanation:
M = (x + y)/2 Multiply both sides by 2
2M = x + y Subtract x from each side
y = 2M - x
The answer will be Addition Problem
Answer:
-4
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
10 ÷ (2x)
x = -5/4
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: 10 ÷ (2(-5/4))
- Multiply: 10 ÷ -5/2
- Divide: -4
The discount is 50-14 = $36
% discount = (36/50)*100 = 72%