Math Problem Statement
Find the value of:
a) 2x when x = 5
b) 4y when y = -3
c) 3z when z = 1.2
Solution
The image contains three simple algebraic expressions to evaluate:
- when
- when
- when
Let's solve each of them:
a) when
b) when
c) when
So, the results are:
- a) 10
- b) -12
- c) 3.6
Would you like more details or have any other questions?
Here are 5 related questions:
- How do you evaluate expressions with multiple variables?
- How would the result change if was negative in part a)?
- What happens when multiplying by fractions in algebraic expressions?
- How does the distributive property affect simple algebraic calculations?
- Can you explain how to solve two-variable expressions like ?
Tip: Always follow the order of operations (PEMDAS) when evaluating expressions involving more than one operation.
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Algebra
Linear Expressions
Formulas
Multiplication of constants and variables: ax where a is a constant and x is a variable
Theorems
-
Suitable Grade Level
Grades 6-8