What is the answer to |12-9m|=30 ?

The answer to |12-9m|=30 is m=-2\lor m= 14/3

Solve for m: |12-9m|=30

The solution is m=-2\lor m= 14/3

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∣ 12 - 9 m ∣ = 30

m = - 2 or m = \frac{14}{3}

Decimal Notation

m = - 2, m = 4.66666 \dots

Solution steps

∣ 12 - 9 m ∣ = 30

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

12 - 9 m = - 30 or 12 - 9 m = 30

12 - 9 m = - 30 or 12 - 9 m = 30

m = - 2 or m = \frac{14}{3}

∣ 2 - 4 x ∣ = 2

∣ 2 - 4 x ∣ = 1

∣ 2 - 4 x ∣ = 3

9 ∣ 2 - 2 x ∣ = 3 x + 3

∣ 4 y + 9 ∣ = 13