What is the answer to |2x-5|=7 ?

The answer to |2x-5|=7 is x=-1\lor x=6

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|2x-5|=7

∣ 2 x - 5 ∣ = 7

x = - 1 or x = 6

Solution steps

∣ 2 x - 5 ∣ = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 x - 5 = - 7 or 2 x - 5 = 7

2 x - 5 = - 7 or 2 x - 5 = 7

x = - 1 or x = 6

\frac{0}{0}

(- 3 x^{3} y^{2}) (5 x y^{- 1})

- (3)^{0}

8 - ∣ 2 x - 5 ∣ \geq 2

\frac{5 - 6}{18}