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

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


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

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

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

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

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

Combine like terms: 5 + 7 = 12
12 + 7y + -2y = 0

Combine like terms: 7y + -2y = 5y
12 + 5y = 0

Solving
12 + 5y = 0

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + 5y = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 5y = 0 + -12
5y = 0 + -12

Combine like terms: 0 + -12 = -12
5y = -12

Divide each side by '5'.
y = -2.4

Simplifying
y = -2.4

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