Solved on Jan 25, 2024

Solve the absolute value equation h4=7|h-4|=7. Rewrite as a compound statement, solve for hh, and write the solution set.

STEP 1

Assumptions
1. We are given the absolute value equation h4=7|h-4|=7.
2. We need to rewrite the equation as a compound statement.
3. We need to solve the resulting linear equations for hh.
4. We need to express the solution set in set-builder notation.

STEP 2

The definition of absolute value states that x=a|x|=a has two solutions: x=ax=a or x=ax=-a if a0a \geq 0. We can apply this definition to the given absolute value equation.

STEP 3

Rewrite the absolute value equation as a compound statement, which means we will have two separate equations without the absolute value.
h4=7orh4=7h - 4 = 7 \quad \text{or} \quad h - 4 = -7

STEP 4

Now, we solve the first linear equation for hh.
h4=7h - 4 = 7

STEP 5

Add 4 to both sides of the equation to isolate hh.
h=7+4h = 7 + 4

STEP 6

Calculate the value of hh for the first equation.
h=11h = 11

STEP 7

Next, we solve the second linear equation for hh.
h4=7h - 4 = -7

STEP 8

Add 4 to both sides of the equation to isolate hh.
h=7+4h = -7 + 4

STEP 9

Calculate the value of hh for the second equation.
h=3h = -3

STEP 10

Now that we have the two solutions, we can express the solution set in set-builder notation.

STEP 11

Write the solution set in set-builder notation, which includes all the elements that satisfy the original equation.
{hh=11 or h=3}\{h \mid h = 11 \text{ or } h = -3\}
The solution set in set-builder notation is {hh=11 or h=3}\{h \mid h = 11 \text{ or } h = -3\}.

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