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Chapter 1: Q48. (page 34)

Determine whether the given number is a solution to the equation.

x+6=15;9

Short Answer

Expert verified

x = 9 a solution of the given equation.

Step by step solution

01

Step 1. Definition.

Equation: An equation is a mathematical statement that two expressions are equal. An equation will always contain an equal sign with an expression on each side.

Solve Equations: A mathematical statement that contains algebraic expressions and symbols is an open sentence. A sentence that contains an equals sign =, is an equation.

A value for a variable that makes a sentence true is called, solving the open sentence.

This replacement value is a solution.

02

Step 2. Order of Operations.

BODMAS

B 鈥� Brackets First

O 鈥� Orders (i.e. Powers and Square Roots etc.)

D 鈥� Division

M 鈥� Multiplication

A 鈥� Addition

S 鈥� Subtraction

03

Step 3. Substitute value for x = 9.

x+6=15Original equation

Substitute 9 for x.

鈬�9+6=15

Add the numbers.

鈬�15=15...True

Therefore, x = 9 is a solution x+6=15.

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