What is 5+2|7r+8|>=-91 ?

The solution to 5+2|7r+8|>=-91 is True for all r

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5+2|7r+8|>=-91

5 + 2 ∣ 7 r + 8 ∣ \geq - 91

True for all r

Interval Notation

(- \infty, \infty)

Solution steps

5 + 2 ∣ 7 r + 8 ∣ \geq - 91

Move

5

to the right side

2 ∣ 7 r + 8 ∣ \geq - 96

Divide both sides by

2

∣ 7 r + 8 ∣ \geq - 48

Absolute values are always greater or equal to 0

True for all r

(\frac{4}{25})^{\frac{3}{2}}

\frac{3}{2} x + 20 + 2 x = 90

(\frac{x y ^{- 2} z ^{- 3}}{x ^{2} y ^{3} z ^{- 4}})^{- 3}

9 b^{3} + 6 b^{2}

\frac{b}{2} - 1 > 7