What is the answer to y-0.9=0.8y-0.4 ?

The answer to y-0.9=0.8y-0.4 is y= 5/2

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y-0.9=0.8y-0.4

y - 0.9 = 0.8 y - 0.4

y = \frac{5}{2}

Decimal Notation

y = 2.5

Solution steps

y - 0.9 = 0.8 y - 0.4

Multiply both sides by

10

10 y - 9 = 8 y - 4

Move

9

to the right side

10 y = 8 y + 5

Move

8 y

to the left side

2 y = 5

Divide both sides by

2

y = \frac{5}{2}

x + \frac{2}{6} = 10

2 x^{3} - 128

\frac{a ^{2}}{a - b} + \frac{b ^{2}}{b - a}

8 x^{4} + 6 x^{2} - 2

- 3 (p + 1) \leq - 18