What is the answer to -4|2b+5|+6=-30 ?

The answer to -4|2b+5|+6=-30 is b=-7\lor b=2

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-4|2b+5|+6=-30

- 4 ∣ 2 b + 5 ∣ + 6 = - 30

b = - 7 or b = 2

Solution steps

- 4 ∣ 2 b + 5 ∣ + 6 = - 30

Move

6

to the right side

- 4 ∣ 2 b + 5 ∣ = - 36

Divide both sides by

- 4

∣ 2 b + 5 ∣ = 9

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 b + 5 = - 9 or 2 b + 5 = 9

2 b + 5 = - 9 or 2 b + 5 = 9

b = - 7 or b = 2

- 2 = ∣ f ∣ - 3

3 ∣ x - 4 ∣ + 4 = 16

- 2 ∣ j ∣ - 6 = 8

1 = 4 - ∣ 9 - 2 v ∣

7 - 2 ∣ 3 x + 6 ∣ = 3

What is the answer to -4|2b+5|+6=-30 ?
The answer to -4|2b+5|+6=-30 is b=-7\lor b=2
Solve for b: -4|2b+5|+6=-30
The solution is b=-7\lor b=2