What is the answer to 2|-8x|+8=80 ?

The answer to 2|-8x|+8=80 is x=-9/2 \lor x= 9/2

Solve for x: 2|-8x|+8=80

The solution is x=-9/2 \lor x= 9/2

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2 ∣ - 8 x ∣ + 8 = 80

x = - \frac{9}{2} or x = \frac{9}{2}

Decimal Notation

x = - 4.5, x = 4.5

Solution steps

2 ∣ - 8 x ∣ + 8 = 80

Move

8

to the right side

2 ∣ - 8 x ∣ = 72

Divide both sides by

2

∣ - 8 x ∣ = 36

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 8 x = - 36 or - 8 x = 36

- 8 x = - 36 or - 8 x = 36

x = - \frac{9}{2} or x = \frac{9}{2}

3 ∣ 3 y - 1 ∣ - 1 = 17

5 + 3 ∣ y + 5 ∣ = 8

∣ 2 x + 7 ∣ + 7 = 6

∣ 2 x + 7 ∣ + 7 = 4

∣ 2 - 3 t ∣ + 5 = 16

What is the answer to 2|-8x|+8=80 ?
The answer to 2|-8x|+8=80 is x=-9/2 \lor x= 9/2
Solve for x: 2|-8x|+8=80
The solution is x=-9/2 \lor x= 9/2