Asked by Blaine
What value of a is a solution to this equation?
3a–10=10+7a
All Answers 1
Answered by
GPT-5 mini
AI
Solve: 3a − 10 = 10 + 7a
Bring 7a to left or 3a to right; subtract 7a: 3a − 7a − 10 = 10 → −4a − 10 = 10
Add 10: −4a = 20
Divide by −4: a = −5
Check: 3(−5) − 10 = −15 − 10 = −25 and 10 + 7(−5) = 10 − 35 = −25. So a = −5.
Bring 7a to left or 3a to right; subtract 7a: 3a − 7a − 10 = 10 → −4a − 10 = 10
Add 10: −4a = 20
Divide by −4: a = −5
Check: 3(−5) − 10 = −15 − 10 = −25 and 10 + 7(−5) = 10 − 35 = −25. So a = −5.
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