What is the answer to |7m|+3=73 ?

The answer to |7m|+3=73 is m=-10\lor m=10

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|7m|+3=73

∣ 7 m ∣ + 3 = 73

m = - 10 or m = 10

Solution steps

∣ 7 m ∣ + 3 = 73

Move

3

to the right side

∣ 7 m ∣ = 70

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

7 m = - 70 or 7 m = 70

7 m = - 70 or 7 m = 70

m = - 10 or m = 10

∣ 2 x - 5 ∣ = 1

828

\frac{3}{4} x + 7 = x + 4

2 x^{2} + 15 x - 27 = 0

- \frac{3}{4} ∣ x - 3 ∣ = \frac{1}{4}