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sladkih [1.3K]
3 years ago
11

6x – 4 < –34 or 3x + 10 > 10

Mathematics
2 answers:
olganol [36]3 years ago
5 0
1. 6x-4< -34, or 3x+10 > 10. 

<span>6x-4 < -34. </span>
<span>6x < -34 + 4 </span>
<span>6x < -30 </span>
<span>X < -5. </span>

<span>3x + 10 > 10. </span>
<span>3x > 10 - 10 </span>
<span>3x > 0 </span>
<span>X > 0. </span>

<span>2. -2 <= 2x-4 < 4. </span>
<span>Add 4 to each end and the center: </span>
<span>-2 + 4<= 2x-4+4 < 4+4. </span>
<span>2 <= 2x < 8 </span>
<span>Divide each end and center by 2: </span>
<span>1 <= X < 4. </span>

<span>The compound inequality is actually 2 </span>
<span>inequalities and can be solved separately: </span>

<span>2x-4 => -2, and 2x-4 < 4. </span>

<span>2x-4 => -2. </span>
<span>2x => -2+4 </span>
<span>2x=> 2 </span>
<span>X => 1. </span>

<span>2x-4 < 4. </span>
<span>2x < 4+4 </span>
<span>2x < 8 </span>
<span>X < 4. </span>

<span>Solution: 1< = X < 4. or X => 1, and X<4 </span>

<span> TO CHECK: </span>

<span>1. Substitute any number < -5 for X. </span>
<span>Eq2: Subst. any number > 0 for X.</span>
kvv77 [185]3 years ago
5 0

Left side: x < -5

Right side: x > 0

Not sure if you want to graph it on a number line or a coordinate plane

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