What is the answer to |7x-3|=39 ?

The answer to |7x-3|=39 is x=-36/7 \lor x=6

Solve for x: |7x-3|=39

The solution is x=-36/7 \lor x=6

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∣ 7 x - 3 ∣ = 39

x = - \frac{36}{7} or x = 6

Decimal Notation

x = - 5.14285 \dots, x = 6

Solution steps

∣ 7 x - 3 ∣ = 39

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

7 x - 3 = - 39 or 7 x - 3 = 39

7 x - 3 = - 39 or 7 x - 3 = 39

x = - \frac{36}{7} or x = 6

- 2 \cdot ∣ 12 + 3 x ∣ = - 18

∣ 6 - 2 p ∣ = 16

∣ 7 x - 3 ∣ = 25

- 3 = ∣ x + 2 ∣ - 4

- 3 = ∣ x + 2 ∣ + 5