(5y+7)-(2y-8)=

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Solution for (5y+7)-(2y-8)= equation:


Simplifying
(5y + 7) + -1(2y + -8) = 0

Reorder the terms:
(7 + 5y) + -1(2y + -8) = 0

Remove parenthesis around (7 + 5y)
7 + 5y + -1(2y + -8) = 0

Reorder the terms:
7 + 5y + -1(-8 + 2y) = 0
7 + 5y + (-8 * -1 + 2y * -1) = 0
7 + 5y + (8 + -2y) = 0

Reorder the terms:
7 + 8 + 5y + -2y = 0

Combine like terms: 7 + 8 = 15
15 + 5y + -2y = 0

Combine like terms: 5y + -2y = 3y
15 + 3y = 0

Solving
15 + 3y = 0

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + 3y = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 3y = 0 + -15
3y = 0 + -15

Combine like terms: 0 + -15 = -15
3y = -15

Divide each side by '3'.
y = -5

Simplifying
y = -5

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