Question

Solve the following inequality algebraically. ∣x+7∣≤8

Answer 1

Answer:

x ≤ 1 and x ≥ −15

Step-by-step explanation:

Solving Absolute Value

• We know that x + 7 ≤ 8 or x + 7 ≥ -8

Condition 1:

Step 1: Subtract 7 from both sides.

• $x + 7 - 7\leq 8 - 7$
• $x\leq 1$

Condition 2:

Step 1: Subtract 7 from both sides.

• $x + 7 - 7\geq -8 - 7$
• $x\geq -15$

Therefore, the answer is x ≤ 1 and x ≥ -15.

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