What is the answer to |-3m|+8=9 ?

The answer to |-3m|+8=9 is m=-1/3 \lor m= 1/3

Solve for m: |-3m|+8=9

The solution is m=-1/3 \lor m= 1/3

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∣ - 3 m ∣ + 8 = 9

m = - \frac{1}{3} or m = \frac{1}{3}

Decimal Notation

m = - 0.33333 \dots, m = 0.33333 \dots

Solution steps

∣ - 3 m ∣ + 8 = 9

Move

8

to the right side

∣ - 3 m ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

- 3 m = - 1 or - 3 m = 1

- 3 m = - 1 or - 3 m = 1

m = - \frac{1}{3} or m = \frac{1}{3}

x, ∣ 10 x ∣ = 0

- 3 ∣ 4 w ∣ = 60

- ∣ x + 2 ∣ = 7

3 ∣ x - 2 ∣ = 4, x

5 ∣ 6 y - 3 ∣ - 5 = 15