What is the answer to 5|x|-3=122 ?

The answer to 5|x|-3=122 is x=-25\lor x=25

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5|x|-3=122

5 ∣ x ∣ - 3 = 122

x = - 25 or x = 25

Solution steps

5 ∣ x ∣ - 3 = 122

Move

3

to the right side

5 ∣ x ∣ = 125

Divide both sides by

5

∣ x ∣ = 25

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x = - 25 or x = 25

\frac{1}{2} x + 80 = \frac{2}{3} x

- 8 < 5 x + 2 \leq 15

x^{3} + 2 x^{2} - 1

5 + x = \frac{( 3 x + 10 )}{8} - 10

3 = \frac{6 + x}{9}