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

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


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

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

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

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

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

Solving
7 = -1 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
7 + -2y = -1 + 2y + -2y

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

Add '-7' to each side of the equation.
7 + -7 + -2y = -1 + -7

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

Combine like terms: -1 + -7 = -8
-2y = -8

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

Simplifying
y = 4

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