y-1=2y-7

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Solution for y-1=2y-7 equation:


Simplifying
y + -1 = 2y + -7

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

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

Solving
-1 + y = -7 + 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.
-1 + y + -2y = -7 + 2y + -2y

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

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

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

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

Combine like terms: -7 + 1 = -6
-1y = -6

Divide each side by '-1'.
y = 6

Simplifying
y = 6

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