Respuesta :
Answer:
b) 8 = 18 - y
c) 60 = 6y
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Algebra I
- Equality Properties
Step-by-step explanation:
A)
- Subtract 11 on both sides: y = 11
A is incorrect
B)
- Subtract 18 on both sides: -10 = -y
- Divide -1 on both sides: 10 = y
- Rewrite: y = 10
B is correct
C)
- Divide 6 on both sides: 10 = y
- Rewrite: y = 10
C is correct
D)
- Multiply 5 on both sides: y = 20
D is incorrect