What is the answer to |1-3c|=20 ?

The answer to |1-3c|=20 is c=-19/3 \lor c=7

Solve for c: |1-3c|=20

The solution is c=-19/3 \lor c=7

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∣ 1 - 3 c ∣ = 20

c = - \frac{19}{3} or c = 7

Decimal Notation

c = - 6.33333 \dots, c = 7

Solution steps

∣ 1 - 3 c ∣ = 20

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

1 - 3 c = - 20 or 1 - 3 c = 20

1 - 3 c = - 20 or 1 - 3 c = 20

c = - \frac{19}{3} or c = 7

14 ∣ x + 14 ∣ + 13 = 69

∣ m ∣ = 14

\frac{x}{2} - 1 = 1

∣ 5 + 2 j ∣ = 9

\frac{x}{4} - 2 - 3 = 0