What is the answer to | 1/5 a+2|=7 ?

The answer to | 1/5 a+2|=7 is a=-45\lor a=25

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| 1/5 a+2|=7

\frac{1}{5} a + 2 = 7

a = - 45 or a = 25

Solution steps

\frac{1}{5} a + 2 = 7

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

\frac{1}{5} a + 2 = - 7 or \frac{1}{5} a + 2 = 7

\frac{1}{5} a + 2 = - 7 or \frac{1}{5} a + 2 = 7

a = - 45 or a = 25

2 ∣ u - 1 ∣ = u

∣ x + 5 ∣ = 18

8 = 2 ∣ q - 6 ∣ + 2

x^{11} = 2 x^{3}

∣ x + 2 ∣ = 4 x - 5

What is the answer to | 1/5 a+2|=7 ?
The answer to | 1/5 a+2|=7 is a=-45\lor a=25
Solve for a: | 1/5 a+2|=7
The solution is a=-45\lor a=25