(3-y)+(5y+7)=0

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Solution for (3-y)+(5y+7)=0 equation:


Simplifying
(3 + -1y) + (5y + 7) = 0

Remove parenthesis around (3 + -1y)
3 + -1y + (5y + 7) = 0

Reorder the terms:
3 + -1y + (7 + 5y) = 0

Remove parenthesis around (7 + 5y)
3 + -1y + 7 + 5y = 0

Reorder the terms:
3 + 7 + -1y + 5y = 0

Combine like terms: 3 + 7 = 10
10 + -1y + 5y = 0

Combine like terms: -1y + 5y = 4y
10 + 4y = 0

Solving
10 + 4y = 0

Solving for variable 'y'.

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

Add '-10' to each side of the equation.
10 + -10 + 4y = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 4y = 0 + -10
4y = 0 + -10

Combine like terms: 0 + -10 = -10
4y = -10

Divide each side by '4'.
y = -2.5

Simplifying
y = -2.5

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