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2 years ago

-4x< 8 help please solving one step inequalities

Mathematics

2 answers:

Aloiza [94]2 years ago

8 0

Answer:

x>-2

Step-by-step explanation:

when dividing by a negative number, the inequality sign flips.

KonstantinChe [14]2 years ago

6 0

Answer:

x > -2

Step-by-step explanation:

-4x< 8 (divide both sides by -4)

-x < 8/4

-x < 2 (divide or multiply both sides by -1, remember to flip the inequality when multiplying or dividing by -1)

x > 2 (-1)

x > -2

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Answer:

We just add numerators and rewrite denominator.

Adding unlike dominators:

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Step-by-step explanation:

You mean unlike denominators and like denominators.

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Adding unlike dominators:

We need to find the same denominators. You need to find the least common multiple (LCM) of the two denominators.

For example :

$\frac{1}{5}+\frac{3}{4}$

LCM for 5 and 4 is 20 : Now, divide by 5 and multiply by 1 for first fraction. 20 divide by 4 and multiply by 3 :

$\frac{1*4}{20} +\frac{3*5}{20}=\frac{4}{20} +\frac{15}{20}=\frac{19}{20}$

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