What is the answer to -1+|-9+x|=11 ?

The answer to -1+|-9+x|=11 is x=-3\lor x=21

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-1+|-9+x|=11

- 1 + ∣ - 9 + x ∣ = 11

x = - 3 or x = 21

Solution steps

- 1 + ∣ - 9 + x ∣ = 11

Move

1

to the right side

∣ - 9 + x ∣ = 12

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 9 + x = - 12 or - 9 + x = 12

- 9 + x = - 12 or - 9 + x = 12

x = - 3 or x = 21

∣ x - 2 ∣ + 10 = 2 x

∣ 3 x ∣ = 2 x + 20

∣ 2 x - 5 ∣ = 15

∣ 2 x + 3 ∣ + 9 = 4

∣ x + 4 ∣ = x + 1

What is the answer to -1+|-9+x|=11 ?
The answer to -1+|-9+x|=11 is x=-3\lor x=21
Solve for x: -1+|-9+x|=11
The solution is x=-3\lor x=21