What is the answer to |7+5x|=8 ?

The answer to |7+5x|=8 is x=-3\lor x= 1/5

Solve for x: |7+5x|=8

The solution is x=-3\lor x= 1/5

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∣ 7 + 5 x ∣ = 8

x = - 3 or x = \frac{1}{5}

Decimal Notation

x = - 3, x = 0.2

Solution steps

∣ 7 + 5 x ∣ = 8

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

7 + 5 x = - 8 or 7 + 5 x = 8

7 + 5 x = - 8 or 7 + 5 x = 8

x = - 3 or x = \frac{1}{5}

∣ 16 - x ∣ = 72

∣ 3 r ∣ - 3 = 9

∣ x - 1 ∣ + 6 = 8

∣ 7 u ∣ - 18 = 31

2 y - 3 = ∣ 5 y + 2 ∣