4y-3y+7-y=2-(7-y)

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Solution for 4y-3y+7-y=2-(7-y) equation:


Simplifying
4y + -3y + 7 + -1y = 2 + -1(7 + -1y)

Reorder the terms:
7 + 4y + -3y + -1y = 2 + -1(7 + -1y)

Combine like terms: 4y + -3y = 1y
7 + 1y + -1y = 2 + -1(7 + -1y)

Combine like terms: 1y + -1y = 0
7 + 0 = 2 + -1(7 + -1y)
7 = 2 + -1(7 + -1y)
7 = 2 + (7 * -1 + -1y * -1)
7 = 2 + (-7 + 1y)

Combine like terms: 2 + -7 = -5
7 = -5 + 1y

Solving
7 = -5 + 1y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
7 + -1y = -5 + 1y + -1y

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

Add '-7' to each side of the equation.
7 + -7 + -1y = -5 + -7

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

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

Divide each side by '-1'.
y = 12

Simplifying
y = 12

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