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jetblackcap
16.07.2020 •
Mathematics
State whether the following is reasonable or not. Explain your answer. Josefina gave away 130% of her stamp collection
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Ответ:
Ответ:
x≥1/2y-5
Step-by-step explanation:
Let's solve for x.
y−4(x+3)≤−2−2x
Step 1: Add 2x to both sides.
−4x+y−12+2x≤−2x−2+2x
−2x+y−12≤−2
Step 2: Add -y to both sides.
−2x+y−12+−y≤−2+−y
−2x−12≤−y−2
Step 3: Add 12 to both sides.
−2x−12+12≤−y−2+12
−2x≤−y+10
Step 4: Divide both sides by -2.
-2x/-2≤-y+10/-2
x≥1/2y-5