What is the answer to 13=|2b+12| ?

The answer to 13=|2b+12| is b=-25/2 \lor b= 1/2

Solve for b: 13=|2b+12|

The solution is b=-25/2 \lor b= 1/2

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13 = ∣ 2 b + 12 ∣

b = - \frac{25}{2} or b = \frac{1}{2}

Decimal Notation

b = - 12.5, b = 0.5

Solution steps

13 = ∣ 2 b + 12 ∣

Switch sides

∣ 2 b + 12 ∣ = 13

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 b + 12 = - 13 or 2 b + 12 = 13

2 b + 12 = - 13 or 2 b + 12 = 13

b = - \frac{25}{2} or b = \frac{1}{2}

4 - 5 ∣ 10 + 5 x ∣ = - 51

∣ b + 3 ∣ = 3

∣ 3 x - 6 ∣ = 12

∣ 8 w + 5 ∣ = 21

25 - x^{2} = x^{2} - 25

What is the answer to 13=|2b+12| ?
The answer to 13=|2b+12| is b=-25/2 \lor b= 1/2
Solve for b: 13=|2b+12|
The solution is b=-25/2 \lor b= 1/2