7y-1-y=7-2y

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


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

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

Combine like terms: 7y + -1y = 6y
-1 + 6y = 7 + -2y

Solving
-1 + 6y = 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 + 6y + 2y = 7 + -2y + 2y

Combine like terms: 6y + 2y = 8y
-1 + 8y = 7 + -2y + 2y

Combine like terms: -2y + 2y = 0
-1 + 8y = 7 + 0
-1 + 8y = 7

Add '1' to each side of the equation.
-1 + 1 + 8y = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 8y = 7 + 1
8y = 7 + 1

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

Divide each side by '8'.
y = 1

Simplifying
y = 1

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