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3 years ago

10

Given f(x)=3x-1, solve for x when f(x)=-7.

1 answer:

ddd [48]3 years ago

8 0

Answer:

x = -2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

<u>Algebra I</u>

Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x - 1

f(x) = -7

<u>Step 2: Solve for </u><em><u>x</u></em>

Substitute: -7 = 3x - 1
Isolate <em>x</em> term: -6 = 3x
Isolate <em>x</em>: -2 = x
Rewrite: x = -2

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