Chapter 1: Q. 1MCQ (page 27)

Evaluate the expression when $x = 2 and y = 14$ .
localid="1648062598885" $x + 5$

Short Answer

Expert verified

The value of the expression is7.

Step by step solution

Step 1. Order of operations

To evaluate any expression involving more than one operation, follow the below order of operations:

First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
Evaluate the exponents.
Perform Multiplication and division from left to right.
Perform addition and subtraction from left to right.

Step 2. Substitute the value of variable

To evaluate the given expression $x + 5$ , substitute 2 for x to get

$x + 5 = 2 + 5$

Step 3. Add the numbers

Now to simplify further, add the numbers to get

\begin{array}{l} 2 + 5 \\ = 7 \end{array}

Thus, the value of the expression is 7.

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Evaluate the expression when $x = 2 and y = 14$ .
localid="1648062598885" $x + 5$

Short Answer

Step by step solution

Step 1. Order of operations

Step 2. Substitute the value of variable

Step 3. Add the numbers

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Evaluate the expression when x=2andy=14.localid="1648062598885" x+5

Short Answer

Step by step solution

Step 1. Order of operations

Step 2. Substitute the value of variable

Step 3. Add the numbers

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Probability and Statistics

Logic and Functions

Geometry

Pure Maths

Applied Mathematics

Mechanics Maths

Study anywhere. Anytime. Across all devices.

Evaluate the expression when $x = 2 and y = 14$ .
localid="1648062598885" $x + 5$