What is the answer to |4+7x|=13 ?

The answer to |4+7x|=13 is x=-17/7 \lor x= 9/7

Solve for x: |4+7x|=13

The solution is x=-17/7 \lor x= 9/7

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∣ 4 + 7 x ∣ = 13

x = - \frac{17}{7} or x = \frac{9}{7}

Decimal Notation

x = - 2.42857 \dots, x = 1.28571 \dots

Solution steps

∣ 4 + 7 x ∣ = 13

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

4 + 7 x = - 13 or 4 + 7 x = 13

4 + 7 x = - 13 or 4 + 7 x = 13

x = - \frac{17}{7} or x = \frac{9}{7}

2 x^{2} = ∣ x - 1 ∣

∣ 3 x + 8 ∣ = 7 x - 4

∣ q - 2 ∣ = 4

0 = 6 - ∣ x ∣

- 9 ∣ x + 8 ∣ = - 99

What is the answer to |4+7x|=13 ?
The answer to |4+7x|=13 is x=-17/7 \lor x= 9/7
Solve for x: |4+7x|=13
The solution is x=-17/7 \lor x= 9/7