2x-4=2x+7-y

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


Simplifying
2x + -4 = 2x + 7 + -1y

Reorder the terms:
-4 + 2x = 2x + 7 + -1y

Reorder the terms:
-4 + 2x = 7 + 2x + -1y

Add '-2x' to each side of the equation.
-4 + 2x + -2x = 7 + 2x + -2x + -1y

Combine like terms: 2x + -2x = 0
-4 + 0 = 7 + 2x + -2x + -1y
-4 = 7 + 2x + -2x + -1y

Combine like terms: 2x + -2x = 0
-4 = 7 + 0 + -1y
-4 = 7 + -1y

Solving
-4 = 7 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-4 + y = 7 + -1y + y

Combine like terms: -1y + y = 0
-4 + y = 7 + 0
-4 + y = 7

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

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

Combine like terms: 7 + 4 = 11
y = 11

Simplifying
y = 11

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