9y-7+y=-(y+8y)

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Solution for 9y-7+y=-(y+8y) equation:


Simplifying
9y + -7 + y = -1(y + 8y)

Reorder the terms:
-7 + 9y + y = -1(y + 8y)

Combine like terms: 9y + y = 10y
-7 + 10y = -1(y + 8y)

Combine like terms: y + 8y = 9y
-7 + 10y = -1(9y)

Remove parenthesis around (9y)
-7 + 10y = -1 * 9y

Multiply -1 * 9
-7 + 10y = -9y

Solving
-7 + 10y = -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
-7 + 10y + 9y = -9y + 9y

Combine like terms: 10y + 9y = 19y
-7 + 19y = -9y + 9y

Combine like terms: -9y + 9y = 0
-7 + 19y = 0

Add '7' to each side of the equation.
-7 + 7 + 19y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 19y = 0 + 7
19y = 0 + 7

Combine like terms: 0 + 7 = 7
19y = 7

Divide each side by '19'.
y = 0.3684210526

Simplifying
y = 0.3684210526

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