Question

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Answer 1

Answer:

x = 2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtract Property of Equality

Step-by-step explanation:

Step 1: Define

10.5x - 1.9 = 19.1

Step 2: Solve for x

1. Add 1.9 to both sides:                    10.5x = 21
2. Divide 10.5 on both sides:             x = 2

Step 3: Check

Plug in x into the original equation to verify it's a solution.

1. Substitute in x:                     10.5(2) - 1.9 = 19.1
2. Multiply:                                21 - 1.9 = 19.1
3. Subtract:                               19.1 = 19.1

Here we see that 19.1 does indeed equal 19.1.

∴ x = 2 is a solution to the equation.