2-7y+5=4y+15-7y

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Solution for 2-7y+5=4y+15-7y equation: 


Simplifying
2 + -7y + 5 = 4y + 15 + -7y

Reorder the terms:
2 + 5 + -7y = 4y + 15 + -7y

Combine like terms: 2 + 5 = 7
7 + -7y = 4y + 15 + -7y

Reorder the terms:
7 + -7y = 15 + 4y + -7y

Combine like terms: 4y + -7y = -3y
7 + -7y = 15 + -3y

Solving
7 + -7y = 15 + -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.
7 + -7y + 3y = 15 + -3y + 3y

Combine like terms: -7y + 3y = -4y
7 + -4y = 15 + -3y + 3y

Combine like terms: -3y + 3y = 0
7 + -4y = 15 + 0
7 + -4y = 15

Add '-7' to each side of the equation.
7 + -7 + -4y = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -4y = 15 + -7
-4y = 15 + -7

Combine like terms: 15 + -7 = 8
-4y = 8

Divide each side by '-4'.
y = -2

Simplifying
y = -2

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