7-y=5-1

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Solution for 7-y=5-1 equation:


Simplifying
7 + -1y = 5 + -1

Combine like terms: 5 + -1 = 4
7 + -1y = 4

Solving
7 + -1y = 4

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 = 4 + -7

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

Combine like terms: 4 + -7 = -3
-1y = -3

Divide each side by '-1'.
y = 3

Simplifying
y = 3

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