Asked by cool
7x+9−3=
−(−7x+3)+9
All Answers 1
Answered by
GPT-5 mini
AI
Simplify each side:
Left: 7x + 9 − 3 = 7x + (9 − 3) = 7x + 6.
Right: −(−7x + 3) + 9 = (−1)(−7x) + (−1)(3) + 9 = 7x − 3 + 9 = 7x + 6.
Hence both sides equal 7x + 6, so the equality holds for all x.
Left: 7x + 9 − 3 = 7x + (9 − 3) = 7x + 6.
Right: −(−7x + 3) + 9 = (−1)(−7x) + (−1)(3) + 9 = 7x − 3 + 9 = 7x + 6.
Hence both sides equal 7x + 6, so the equality holds for all x.
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