Solve: c + 20 = 21 - 13 (c - 7)
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Answered by
1
Answer:
it's answer should be 10
Step-by-step explanation:
c + 20 = 21 - 13c + 91
14c = 120 + 20
14c = 140
c = 10 .
Answered by
1
c + 20 = 21 - 13(c - 7)
c + 20 = 21 - 13c + 91
c + 20 = 112 - 13c
c + 13c = 112 - 20
14c = 92
c ≈ 6.57
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