What is the answer to |7x+3|=8 ?

The answer to |7x+3|=8 is x=-11/7 \lor x= 5/7

Solve for x: |7x+3|=8

The solution is x=-11/7 \lor x= 5/7

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∣ 7 x + 3 ∣ = 8

x = - \frac{11}{7} or x = \frac{5}{7}

Decimal Notation

x = - 1.57142 \dots, x = 0.71428 \dots

Solution steps

∣ 7 x + 3 ∣ = 8

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

7 x + 3 = - 8 or 7 x + 3 = 8

7 x + 3 = - 8 or 7 x + 3 = 8

x = - \frac{11}{7} or x = \frac{5}{7}

24 = 6 (x + 2)

600 - 25 w \geq 200

- 2 (\frac{1}{3})^{0}

x y^{3} - y^{4}

2 + \frac{6}{2 \cdot 3 + 1}