What is the answer to |10x-2|+1=79 ?

The answer to |10x-2|+1=79 is x=-38/5 \lor x=8

Solve for x: |10x-2|+1=79

The solution is x=-38/5 \lor x=8

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∣ 10 x - 2 ∣ + 1 = 79

x = - \frac{38}{5} or x = 8

Decimal Notation

x = - 7.6, x = 8

Solution steps

∣ 10 x - 2 ∣ + 1 = 79

Move

1

to the right side

∣ 10 x - 2 ∣ = 78

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

10 x - 2 = - 78 or 10 x - 2 = 78

10 x - 2 = - 78 or 10 x - 2 = 78

x = - \frac{38}{5} or x = 8

∣ 3 x - 7 ∣ = - 2

∣ 3 x - 7 ∣ = - 4

∣ u - 4 ∣ = - \frac{1}{3}

∣ x + 2 ∣ + 2 = 5

(x) = x^{2} + 3 x - 1

What is the answer to |10x-2|+1=79 ?
The answer to |10x-2|+1=79 is x=-38/5 \lor x=8
Solve for x: |10x-2|+1=79
The solution is x=-38/5 \lor x=8