Answer:
Step-by-step explanation:

2(|x−3|)−4≥10
Step 1: Add 4 to both sides.<span><span><span><span>2<span>(<span>|<span>x−3</span>|</span>)</span></span>−4</span>+4</span>≥<span>10+4</span></span><span><span>2<span>(<span>|<span>x−3</span>|</span>)</span></span>≥14</span>Step 2: Divide both sides by 2.<span><span><span>2<span>(<span>|<span>x−3</span>|</span>)</span></span>2</span>≥<span>142</span></span><span><span>|<span>x−3</span>|</span>≥7</span>Step 3: Solve Absolute Value.<span><span>|<span>x−3</span>|</span>≥7</span>We know either<span><span>x−3</span>≥7</span>or<span><span>x−3</span>≤<span>−7</span></span><span><span>x−3</span>≥7</span>(Possibility 1)<span><span><span>x−3</span>+3</span>≥<span>7+3</span></span>(Add 3 to both sides)<span>x≥10</span><span><span>x−3</span>≤<span>−7</span></span>(Possibility 2)<span><span><span>x−3</span>+3</span>≤<span><span>−7</span>+3</span></span>(Add 3 to both sides)<span>x≤<span>−<span>4
the answer is
</span></span></span><span>x≥<span><span>10<span>or </span></span>x</span></span>≤−4
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Weight in Robbie backpack is
pounds or 4.5 pounds
<em><u>Solution:</u></em>
Given that Today Robbie is carrying his history textbook and his lunch in his backpack.
<em><u>To find: weight in Robbie's backpack</u></em>
<em><u>From given,</u></em>
Weight of history book =
pounds
Weight of lunch =
pounds
weight in Robbie's backpack = Weight of history book + Weight of lunch

Convert the mixed fractions

Thus weight in Robbie backpack is
pounds or 4.5 pounds
Answer: 3 ≥ x
Step-by-step explanation:
inequity would be 9 ≥ 2.40 + 2.20x
9 - 2.40 = 6.6
6.6 / 2.20 = 3
So it would be 3 ≥ x
Answer:
x = 66 degrees
y = 114 degrees
Step-by-step explanation: