What is the answer to 4y-6y+9y=-2 ?

The answer to 4y-6y+9y=-2 is y=-2/7

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4y-6y+9y=-2

4 y - 6 y + 9 y = - 2

y = - \frac{2}{7}

Decimal Notation

y = - 0.28571 \dots

Solution steps

4 y - 6 y + 9 y = - 2

Add similar elements:

4 y - 6 y + 9 y = 7 y

7 y = - 2

Divide both sides by

7

y = - \frac{2}{7}

2 5^{\frac{3}{2}} + 1 6^{\frac{3}{2}}

r^{2} + 4 r + 4 = 0

4 x^{2} + 1 = 4 x

- \frac{1}{2} + \frac{5}{2}

2 x + 5 = 3 x - 1