What is the answer to |2t+1|+4=5 ?

The answer to |2t+1|+4=5 is t=-1\lor t=0

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|2t+1|+4=5

∣ 2 t + 1 ∣ + 4 = 5

t = - 1 or t = 0

Solution steps

∣ 2 t + 1 ∣ + 4 = 5

Move

4

to the right side

∣ 2 t + 1 ∣ = 1

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

2 t + 1 = - 1 or 2 t + 1 = 1

2 t + 1 = - 1 or 2 t + 1 = 1

t = - 1 or t = 0

(3 x^{3} y^{5})^{4}

- 12 + 33

4 (x + 2) = 48

1 - 4 y^{2} = 0

(x + 1)^{2} = 1