7−5p+3q7, minus, 5, p, plus, 3, q when p=1p=1p, equals, 1 and q=7q=7q, equals, 7
Answers
Correct Question is as follows:
Find the value of the expression 7 - 5p + 3q, when p = 1 and q = 7
The value of expression after substituting the value of p and q is 23.
Given: Expression: 7 - 5p + 3q and p = 1 and q = 7.
To Find: Value of expression putting the values of p and q.
Explanation:
An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations (addition, subtraction, etc.). Expressions are made up of terms.
Types of Algebraic Expression: There are 4 main types of algebraic expression which are:
- Mononomial
- Binomial
- Trinomial
- Polynomial
Here, in the expression we will substitute the value of p and q. So,
⇒ 7 - 5p + 3q
⇒ 7 - 5(1) + 3(7) (p = 1 and q = 7)
⇒ 7 - 5 + 21
⇒ 28 - 5
⇒ 23
∴The value of expression after substituting the value of p and q is 23.
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