(5y+5)-(7y-4)=

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Solution for (5y+5)-(7y-4)= equation:


Simplifying
(5y + 5) + -1(7y + -4) = 0

Reorder the terms:
(5 + 5y) + -1(7y + -4) = 0

Remove parenthesis around (5 + 5y)
5 + 5y + -1(7y + -4) = 0

Reorder the terms:
5 + 5y + -1(-4 + 7y) = 0
5 + 5y + (-4 * -1 + 7y * -1) = 0
5 + 5y + (4 + -7y) = 0

Reorder the terms:
5 + 4 + 5y + -7y = 0

Combine like terms: 5 + 4 = 9
9 + 5y + -7y = 0

Combine like terms: 5y + -7y = -2y
9 + -2y = 0

Solving
9 + -2y = 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 + -2y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2y = 0 + -9
-2y = 0 + -9

Combine like terms: 0 + -9 = -9
-2y = -9

Divide each side by '-2'.
y = 4.5

Simplifying
y = 4.5

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