What is the answer to |7m-8|+2=15 ?

The answer to |7m-8|+2=15 is m=-5/7 \lor m=3

Solve for m: |7m-8|+2=15

The solution is m=-5/7 \lor m=3

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∣ 7 m - 8 ∣ + 2 = 15

m = - \frac{5}{7} or m = 3

Solution steps

∣ 7 m - 8 ∣ + 2 = 15

Move

2

to the right side

∣ 7 m - 8 ∣ = 13

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

7 m - 8 = - 13 or 7 m - 8 = 13

7 m - 8 = - 13 or 7 m - 8 = 13

m = - \frac{5}{7} or m = 3

- 2 ∣ - 4 + y ∣ = - 9

2 = ∣ h ∣ - 5

4 ∣ 2 x + 7 ∣ + 4 = 16

∣ 4 x ∣ - 10 = - 10

169 = ∣ c + 675 ∣ - 6

What is the answer to |7m-8|+2=15 ?
The answer to |7m-8|+2=15 is m=-5/7 \lor m=3
Solve for m: |7m-8|+2=15
The solution is m=-5/7 \lor m=3