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

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


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

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

Combine like terms: 7 + 5 = 12
12 + -4y = 7 + -5y

Solving
12 + -4y = 7 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
12 + -4y + 5y = 7 + -5y + 5y

Combine like terms: -4y + 5y = 1y
12 + 1y = 7 + -5y + 5y

Combine like terms: -5y + 5y = 0
12 + 1y = 7 + 0
12 + 1y = 7

Add '-12' to each side of the equation.
12 + -12 + 1y = 7 + -12

Combine like terms: 12 + -12 = 0
0 + 1y = 7 + -12
1y = 7 + -12

Combine like terms: 7 + -12 = -5
1y = -5

Divide each side by '1'.
y = -5

Simplifying
y = -5

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