What is the answer to -12=-4|3+8x| ?

The answer to -12=-4|3+8x| is x=-3/4 \lor x=0

Solve for x: -12=-4|3+8x|

The solution is x=-3/4 \lor x=0

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- 12 = - 4 ∣ 3 + 8 x ∣

x = - \frac{3}{4} or x = 0

Decimal Notation

x = - 0.75, x = 0

Solution steps

- 12 = - 4 ∣ 3 + 8 x ∣

Switch sides

- 4 ∣ 3 + 8 x ∣ = - 12

Divide both sides by

- 4

∣ 3 + 8 x ∣ = 3

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

3 + 8 x = - 3 or 3 + 8 x = 3

3 + 8 x = - 3 or 3 + 8 x = 3

x = - \frac{3}{4} or x = 0

- 9 = ∣ - 8 r ∣ - 6

∣ x - 9 ∣ + 5 = 8

∣ x ∣^{2} = 4

7 + ∣ x + 3 ∣ = 1

∣ 6 x - 1 ∣ + 4 = 1

What is the answer to -12=-4|3+8x| ?
The answer to -12=-4|3+8x| is x=-3/4 \lor x=0
Solve for x: -12=-4|3+8x|
The solution is x=-3/4 \lor x=0