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lora16 [44]
3 years ago
9

Solve the absolute value equation. |4x+3|=3 sos

Mathematics
1 answer:
Alona [7]3 years ago
5 0

<em><u>The solution for absolute value equation |4x + 3| = 3 is:</u></em>

x = \frac{-3}{2} \text{ and } x = 0

<em><u>Solution:</u></em>

Absolute value equations are equations where the variable is within an absolute value operator

<em><u>Given absolute value equation is:</u></em>

|4x+3|=3

The absolute value of a number depends on the number's sign

Clear the absolute-value bars by splitting the equation into its two cases, one for the Positive case and the other for the Negative case.

The Absolute Value term is |4x + 3|

For the Negative case we use -(4x + 3)  

For the Positive case we use (4x + 3)

<em><u>Solve the Negative Case</u></em>

-(4x + 3) = 3

-4x - 3 = 3

-4x = 3 + 3

-4x = 6

Divide both sides by -4

x = \frac{-6}{4}\\\\x = \frac{-3}{2}

<em><u>Solve the Positive Case</u></em>

(4x + 3) = 3

4x + 3 = 3

Move the constants to right

4x = 3 - 3

4x = 0

x = 0

Thus two solutions were found : x = \frac{-3}{2} \text{ and } x = 0

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