(9+4y)-(-1+8)+(7-y)=

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Solution for (9+4y)-(-1+8)+(7-y)= equation:


Simplifying
(9 + 4y) + -1(-1 + 8) + (7 + -1y) = 0

Remove parenthesis around (9 + 4y)
9 + 4y + -1(-1 + 8) + (7 + -1y) = 0

Combine like terms: -1 + 8 = 7
9 + 4y + -1(7) + (7 + -1y) = 0

Multiply -1 * 7
9 + 4y + -7 + (7 + -1y) = 0

Remove parenthesis around (7 + -1y)
9 + 4y + -7 + 7 + -1y = 0

Reorder the terms:
9 + -7 + 7 + 4y + -1y = 0

Combine like terms: 9 + -7 = 2
2 + 7 + 4y + -1y = 0

Combine like terms: 2 + 7 = 9
9 + 4y + -1y = 0

Combine like terms: 4y + -1y = 3y
9 + 3y = 0

Solving
9 + 3y = 0

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 3y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 3y = 0 + -9
3y = 0 + -9

Combine like terms: 0 + -9 = -9
3y = -9

Divide each side by '3'.
y = -3

Simplifying
y = -3

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