Step-by-step explanation:
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A. x <= -12
<u>Explanation:</u>
-3x >= 36
-x >= 36/ 3
-x > = 12
x < = -12
When the negative sign is shifted then the greater than equal to sign reverses to less than equal to.
Therefore, x <= -12
Answer:
x=63
Step-by-step explanation:
55+62+x=180
117+x=180
180-117=63
x=63