What is the answer to |-9x|=64 ?

The answer to |-9x|=64 is x=-64/9 \lor x= 64/9

Solve for x: |-9x|=64

The solution is x=-64/9 \lor x= 64/9

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∣ - 9 x ∣ = 64

x = - \frac{64}{9} or x = \frac{64}{9}

Decimal Notation

x = - 7.11111 \dots, x = 7.11111 \dots

Solution steps

∣ - 9 x ∣ = 64

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 9 x = - 64 or - 9 x = 64

- 9 x = - 64 or - 9 x = 64

x = - \frac{64}{9} or x = \frac{64}{9}

(\frac{4 x ^{2} y}{x ^{- 5}})^{- 3}

3 < - 2 x - 5 < 15

x^{2} - 3 x - 16 = - 6

\frac{3 - 4}{3 + 4}