3y-7+y=-(y+9y)

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Solution for 3y-7+y=-(y+9y) equation:


Simplifying
3y + -7 + y = -1(y + 9y)

Reorder the terms:
-7 + 3y + y = -1(y + 9y)

Combine like terms: 3y + y = 4y
-7 + 4y = -1(y + 9y)

Combine like terms: y + 9y = 10y
-7 + 4y = -1(10y)

Remove parenthesis around (10y)
-7 + 4y = -1 * 10y

Multiply -1 * 10
-7 + 4y = -10y

Solving
-7 + 4y = -10y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '10y' to each side of the equation.
-7 + 4y + 10y = -10y + 10y

Combine like terms: 4y + 10y = 14y
-7 + 14y = -10y + 10y

Combine like terms: -10y + 10y = 0
-7 + 14y = 0

Add '7' to each side of the equation.
-7 + 7 + 14y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 14y = 0 + 7
14y = 0 + 7

Combine like terms: 0 + 7 = 7
14y = 7

Divide each side by '14'.
y = 0.5

Simplifying
y = 0.5

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