What is the answer to |3x+4|=9x+12 ?

The answer to |3x+4|=9x+12 is x=-4/3

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|3x+4|=9x+12

∣ 3 x + 4 ∣ = 9 x + 12

x = - \frac{4}{3}

Decimal Notation

x = - 1.33333 \dots

Solution steps

∣ 3 x + 4 ∣ = 9 x + 12

Find positive and negative intervals

x < - \frac{4}{3}, x \geq - \frac{4}{3}

Solve the inequality for each interval

No Solution or x = - \frac{4}{3}

x = - \frac{4}{3}

\frac{1}{2} = ∣ x - 3 ∣

12 ∣ x ∣ - 3 = 6

5 = ∣ 5 q ∣ + 5

3 x^{2} - 2 ∣ x ∣ - 1 = 0

4 ∣ u ∣ = - 8