7+2y-4=7y+5-4y

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Solution for 7+2y-4=7y+5-4y equation: 


Simplifying
7 + 2y + -4 = 7y + 5 + -4y

Reorder the terms:
7 + -4 + 2y = 7y + 5 + -4y

Combine like terms: 7 + -4 = 3
3 + 2y = 7y + 5 + -4y

Reorder the terms:
3 + 2y = 5 + 7y + -4y

Combine like terms: 7y + -4y = 3y
3 + 2y = 5 + 3y

Solving
3 + 2y = 5 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
3 + 2y + -3y = 5 + 3y + -3y

Combine like terms: 2y + -3y = -1y
3 + -1y = 5 + 3y + -3y

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

Add '-3' to each side of the equation.
3 + -3 + -1y = 5 + -3

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

Combine like terms: 5 + -3 = 2
-1y = 2

Divide each side by '-1'.
y = -2

Simplifying
y = -2

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