What is the answer to -4r+18=-2(8r-1) ?

The answer to -4r+18=-2(8r-1) is r=-4/3

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-4r+18=-2(8r-1)

- 4 r + 18 = - 2 (8 r - 1)

r = - \frac{4}{3}

Decimal Notation

r = - 1.33333 \dots

Solution steps

- 4 r + 18 = - 2 (8 r - 1)

Expand

- 2 (8 r - 1) : - 16 r + 2

- 4 r + 18 = - 16 r + 2

Move

18

to the right side

- 4 r = - 16 r - 16

Move

16 r

to the left side

12 r = - 16

Divide both sides by

12

r = - \frac{4}{3}

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

0 = 4.9 t^{2} - 1252 t - 20

∣ x - 3 ∣ = ∣ 3 x + 4 ∣

\frac{7}{4} - (3 - \frac{8}{5})

(\frac{y ^{6} - 1}{2 y ^{3}})^{2}