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3 years ago

Evaluate the expression for b = 7 6b + 8 – 5b

Mathematics

2 answers:

Gnoma [55]3 years ago

4 0

Answer:

Step-by-step explanation:

6 × 7 = 42

5 × 7 = 35

42 + 8 - 35 = 15

bearhunter [10]3 years ago

3 0

Answer:

For b = 7, the expression equals 15.

Step-by-step explanation:

6b + 8 - 5b

Substitute the variable b = 7.

6(7) + 8 - 5(7)

Multiply.

42 + 8 - 35

Add.

50 - 35

Subtract.

15.

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Step-by-step explanation:

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3 years ago

Question 1 of 10

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Answer:

A. x + 5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Terms/Coefficients
Factoring

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle \frac{x^2 - 25}{x - 5}$

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