What is the answer to 7y-4=9y+13-4y ?

The answer to 7y-4=9y+13-4y is y= 17/2

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7y-4=9y+13-4y

7 y - 4 = 9 y + 13 - 4 y

y = \frac{17}{2}

Decimal Notation

y = 8.5

Solution steps

7 y - 4 = 9 y + 13 - 4 y

Group like terms

7 y - 4 = 9 y - 4 y + 13

Add similar elements:

9 y - 4 y = 5 y

7 y - 4 = 5 y + 13

Move

4

to the right side

7 y = 5 y + 17

Move

5 y

to the left side

2 y = 17

Divide both sides by

2

y = \frac{17}{2}

- 2.81 = - 2.9 + 0.1 c

\frac{9 x}{4} = - 9

- \frac{5}{4} t = 9

10 = - 6 + u

3 x - 10 x + 5 = 5 x + 17