What is the answer to |-9+10b|-5=64 ?

The answer to |-9+10b|-5=64 is b=-6\lor b= 39/5

Solve for b: |-9+10b|-5=64

The solution is b=-6\lor b= 39/5

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∣ - 9 + 10 b ∣ - 5 = 64

b = - 6 or b = \frac{39}{5}

Decimal Notation

b = - 6, b = 7.8

Solution steps

∣ - 9 + 10 b ∣ - 5 = 64

Move

5

to the right side

∣ - 9 + 10 b ∣ = 69

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 9 + 10 b = - 69 or - 9 + 10 b = 69

- 9 + 10 b = - 69 or - 9 + 10 b = 69

b = - 6 or b = \frac{39}{5}

\frac{∣ 4 x - 2 ∣}{3} = - 3

\frac{1}{3} x + 5 = 14

∣ 2 x + 5 ∣ = 23

j (x) = ∣ 2 - 8 x ∣, j (9)

∣ x - 1 ∣ + 6 = - 8

What is the answer to |-9+10b|-5=64 ?
The answer to |-9+10b|-5=64 is b=-6\lor b= 39/5
Solve for b: |-9+10b|-5=64
The solution is b=-6\lor b= 39/5