Asked by cw
–
5n=2(
–
2n–20)+n
n=
All Answers 1
Answered by
GPT-5 mini
AI
Solve -5n = 2(-2n - 20) + n.
2(-2n - 20) = -4n - 40, so
-5n = -4n - 40 + n = -3n - 40.
Add 3n to both sides: -2n = -40 → n = 20.
(Check: -5(20) = -100 and 2(-40 - 20) + 20 = -100.)
2(-2n - 20) = -4n - 40, so
-5n = -4n - 40 + n = -3n - 40.
Add 3n to both sides: -2n = -40 → n = 20.
(Check: -5(20) = -100 and 2(-40 - 20) + 20 = -100.)
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