What is the answer to 30=|v-30| ?

The answer to 30=|v-30| is v=0\lor v=60

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30=|v-30|

30 = ∣ v - 30 ∣

v = 0 or v = 60

Solution steps

30 = ∣ v - 30 ∣

Switch sides

∣ v - 30 ∣ = 30

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

v - 30 = - 30 or v - 30 = 30

v - 30 = - 30 or v - 30 = 30

v = 0 or v = 60

- 16 \geq - 2 y

10 - 3 x + 4 - 4 x = 0

8 a b^{3} + 27 a^{4}

p^{2} = 0

(2 - 5)^{2}