Mr. Choe solved the inequality and his work is shown below. 3x+5≤−1 −5 −5 3x≤−6 ÷3 ÷3 x≥−2 Identify and explain Mr. Choe's error
1 answer:
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I graphed this on a calculator sorry if it is not helpful.
Answer:
x = 60
Step-by-step explanation:
Given
- 7 = 1 ( add 7 to both sides )
= 8 ( square both sides )
( )² = 8² , that is
x + 4 = 64 ( subtract 4 from both sides )
x = 60