8-1=y

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Solution for 8-1=y equation:


Simplifying
8 + -1 = y

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

Solving
7 = y

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 = y + -1y

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

Add '-7' to each side of the equation.
7 + -7 + -1y = 0 + -7

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

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

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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