Problem

Solve for b b=-1-7*6

TE: This arithmetic problem asks you to perform a simple calculation to find the value of the variable 'b'. The equation provided is "b = -1 - 7 * 6". You are expected to follow the order of operations to solve for 'b'. To correctly determine the value of 'b', you must first multiply 7 by 6 and then subtract that product from -1.

$b = - 1 - 7 \cdot 6$

Answer

Expert–verified

Solution:

Step 1:

Compute the product of $-7$ and $6$. Thus, we have $b = -1 - (-7 \times 6)$.

Step 2:

Now, perform the subtraction of $42$ from $-1$. Therefore, $b = -1 - 42$.

Knowledge Notes:

To solve the given equation for $b$, we follow basic arithmetic operations. Here's a detailed explanation of the knowledge points involved:

  1. Multiplication of Negative Numbers: When multiplying a negative number by a positive number, the result is negative. In this case, $-7$ multiplied by $6$ gives us $-42$. The multiplication operation is represented in LaTeX as $$-7 \times 6$$.

  2. Subtraction of Integers: When subtracting a larger positive number from a smaller negative number, the result is more negative. Here, subtracting $42$ from $-1$ results in $-43$. The subtraction operation is represented in LaTeX as $$-1 - 42$$.

  3. Order of Operations: According to the order of operations (PEMDAS/BODMAS), multiplication should be performed before subtraction in the absence of parentheses indicating otherwise.

  4. Equation Solving: The process of solving an equation involves finding the value of the unknown variable that makes the equation true. In this case, we are solving for $b$ by performing the necessary arithmetic operations.

  5. LaTeX Formatting: In the solution, LaTeX is used to format mathematical expressions. The multiplication is denoted by $\times$, and the entire expression is enclosed within dollar signs to render it correctly.

  6. Markdown Formatting: Titles in the solution are formatted using markdown syntax. The $####$symbol is used to create a heading level 4, which is smaller than the main heading but still stands out from the regular text.

link_gpt