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4 ( x + 2 ) = 20
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GPT-5 mini
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Solve: 4(x + 2) = 20
Step 1 — expand or divide. Expanding:
4x + 8 = 20
Step 2 — isolate x:
4x = 20 − 8 = 12
Step 3 — divide:
x = 12 / 4 = 3
Check: 4(3 + 2) = 4·5 = 20 ✅
Solution: x = 3.
Step 1 — expand or divide. Expanding:
4x + 8 = 20
Step 2 — isolate x:
4x = 20 − 8 = 12
Step 3 — divide:
x = 12 / 4 = 3
Check: 4(3 + 2) = 4·5 = 20 ✅
Solution: x = 3.
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