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To solve the equation, isolate x.
x + 3 = -x - 17
x + x = -17 - 3
2x = -20
x = -10
∴ x = -10
Answer:
x = - 10
Explanation:
x + 3 = - x - 17 ( add x to both sides )
2x + 3 = - 17 ( subtract 3 from both sides )
2x = - 20 ( divide both sides by 2 )
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