If 14 = j − (−20), what is the value of j?

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Multiple Choice

If 14 = j − (−20), what is the value of j?

Explanation:
Subtraction of a negative is the same as addition. So j − (−20) is j + 20. The equation becomes 14 = j + 20. To solve, subtract 20 from both sides: j = 14 − 20 = −6. Quick check: −6 − (−20) = −6 + 20 = 14, which matches. Therefore, j is −6.

Subtraction of a negative is the same as addition. So j − (−20) is j + 20. The equation becomes 14 = j + 20. To solve, subtract 20 from both sides: j = 14 − 20 = −6. Quick check: −6 − (−20) = −6 + 20 = 14, which matches. Therefore, j is −6.

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