What is the answer to |8x+7|+2=4 ?

The answer to |8x+7|+2=4 is x=-9/8 \lor x=-5/8

Solve for x: |8x+7|+2=4

The solution is x=-9/8 \lor x=-5/8

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∣ 8 x + 7 ∣ + 2 = 4

x = - \frac{9}{8} or x = - \frac{5}{8}

Solution steps

∣ 8 x + 7 ∣ + 2 = 4

Move

2

to the right side

∣ 8 x + 7 ∣ = 2

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

8 x + 7 = - 2 or 8 x + 7 = 2

8 x + 7 = - 2 or 8 x + 7 = 2

x = - \frac{9}{8} or x = - \frac{5}{8}

4 ∣ 3 u ∣ = - 48

∣ 6 y - 2 ∣ + 4 = 32

∣ 4 y + 16 ∣ = 28

6 ∣ 3 - 12 x ∣ = 24

∣ 4 x + 1 ∣ + 8 = - 4

What is the answer to |8x+7|+2=4 ?
The answer to |8x+7|+2=4 is x=-9/8 \lor x=-5/8
Solve for x: |8x+7|+2=4
The solution is x=-9/8 \lor x=-5/8