What is the answer to |3b|+4=5 ?

The answer to |3b|+4=5 is b=-1/3 \lor b= 1/3

Solve for b: |3b|+4=5

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

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∣ 3 b ∣ + 4 = 5

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

Solution steps

∣ 3 b ∣ + 4 = 5

Move

4

to the right side

∣ 3 b ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

3 b = - 1 or 3 b = 1

3 b = - 1 or 3 b = 1

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

\frac{4 !}{2 ! 2 !}

\frac{8 g ^{2} - 12 g h}{2 g}

4 x^{2} - 8 x - 32 = 0

10 m + 2 = 1 + \frac{m}{2}

- \frac{2}{3} + \frac{1}{3}