7-y=25

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Solution for 7-y=25 equation: 


Simplifying
7 + -1y = 25

Solving
7 + -1y = 25

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 = 25 + -7

Combine like terms: 7 + -7 = 0
0 + -1y = 25 + -7
-1y = 25 + -7

Combine like terms: 25 + -7 = 18
-1y = 18

Divide each side by '-1'.
y = -18

Simplifying
y = -18

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