What is the answer to |3-3t|+5=20 ?

The answer to |3-3t|+5=20 is t=-4\lor t=6

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|3-3t|+5=20

∣ 3 - 3 t ∣ + 5 = 20

t = - 4 or t = 6

Solution steps

∣ 3 - 3 t ∣ + 5 = 20

Move

5

to the right side

∣ 3 - 3 t ∣ = 15

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

3 - 3 t = - 15 or 3 - 3 t = 15

3 - 3 t = - 15 or 3 - 3 t = 15

t = - 4 or t = 6

3 + 2 ∣ 3 x - 4 ∣ = 0

∣ 4 y - 6 ∣ = 2

∣ b + 7 ∣ = 17

x^{2} - 5 x + 8 = 2

∣ 8 x - 3 ∣ + 2 = 8