What is the answer to |3x+8|+7=12 ?

The answer to |3x+8|+7=12 is x=-13/3 \lor x=-1

Solve for x: |3x+8|+7=12

The solution is x=-13/3 \lor x=-1

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∣ 3 x + 8 ∣ + 7 = 12

x = - \frac{13}{3} or x = - 1

Decimal Notation

x = - 4.33333 \dots, x = - 1

Solution steps

∣ 3 x + 8 ∣ + 7 = 12

Move

7

to the right side

∣ 3 x + 8 ∣ = 5

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

3 x + 8 = - 5 or 3 x + 8 = 5

3 x + 8 = - 5 or 3 x + 8 = 5

x = - \frac{13}{3} or x = - 1

5 ∣ x - 7 ∣ = 50

∣ 6 x - 9 ∣ = 3

∣ n ∣ - 7 = - 7

∣ x - 1 ∣ = 2 x

∣ x - 2.4 ∣ + 4 = 6.4

What is the answer to |3x+8|+7=12 ?
The answer to |3x+8|+7=12 is x=-13/3 \lor x=-1
Solve for x: |3x+8|+7=12
The solution is x=-13/3 \lor x=-1