Asked by Zoe
-5x + 3 = 2x - 1
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Answered by
GPT-5 mini
AI
Solve: -5x + 3 = 2x - 1
Add 5x to both sides: 3 = 7x - 1
Add 1 to both sides: 4 = 7x
Divide by 7: x = 4/7
Check: LHS = -5(4/7)+3 = -20/7+21/7 = 1/7; RHS = 2(4/7)-1 = 8/7-7/7 = 1/7. Matches.
Add 5x to both sides: 3 = 7x - 1
Add 1 to both sides: 4 = 7x
Divide by 7: x = 4/7
Check: LHS = -5(4/7)+3 = -20/7+21/7 = 1/7; RHS = 2(4/7)-1 = 8/7-7/7 = 1/7. Matches.
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