What is the answer to 7y-2(8y+1)=4 ?

The answer to 7y-2(8y+1)=4 is y=-2/3

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7y-2(8y+1)=4

7 y - 2 (8 y + 1) = 4

y = - \frac{2}{3}

Decimal Notation

y = - 0.66666 \dots

Solution steps

7 y - 2 (8 y + 1) = 4

Expand

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

7 y - 16 y - 2 = 4

Add similar elements:

7 y - 16 y = - 9 y

- 9 y - 2 = 4

Move

2

to the right side

- 9 y = 6

Divide both sides by

- 9

y = - \frac{2}{3}

3 - 4 y < 12

- 4 - 0

\frac{4 x + 4}{3} < 8

- 5 (k + 4) \geq 3 (k - 4)

\frac{10 \cdot 0.5}{17.5}