8-1-Y=7-1

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Solution for 8-1-Y=7-1 equation:


Simplifying
8 + -1 + -1Y = 7 + -1

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

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

Solving
7 + -1Y = 6

Solving for variable 'Y'.

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

Add '-7' to each side of the equation.
7 + -7 + -1Y = 6 + -7

Combine like terms: 7 + -7 = 0
0 + -1Y = 6 + -7
-1Y = 6 + -7

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

Divide each side by '-1'.
Y = 1

Simplifying
Y = 1

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