What is the answer to 15=|-4b+12| ?

The answer to 15=|-4b+12| is b=-3/4 \lor b= 27/4

Solve for b: 15=|-4b+12|

The solution is b=-3/4 \lor b= 27/4

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15 = ∣ - 4 b + 12 ∣

b = - \frac{3}{4} or b = \frac{27}{4}

Solution steps

15 = ∣ - 4 b + 12 ∣

Switch sides

∣ - 4 b + 12 ∣ = 15

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 4 b + 12 = - 15 or - 4 b + 12 = 15

- 4 b + 12 = - 15 or - 4 b + 12 = 15

b = - \frac{3}{4} or b = \frac{27}{4}

8 - 8 ∣ - 5 b + 4 ∣ = - 120

∣ 10 + 2 n ∣ = 28

x^{2} - 2 = x + 4

19 = ∣ - 3 x + 13 ∣

2 - 3 ∣ x - 4 ∣ = - 7

What is the answer to 15=|-4b+12| ?
The answer to 15=|-4b+12| is b=-3/4 \lor b= 27/4
Solve for b: 15=|-4b+12|
The solution is b=-3/4 \lor b= 27/4