4=25-7y

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Solution for 4=25-7y equation:


Simplifying
4 = 25 + -7y

Solving
4 = 25 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
4 + 7y = 25 + -7y + 7y

Combine like terms: -7y + 7y = 0
4 + 7y = 25 + 0
4 + 7y = 25

Add '-4' to each side of the equation.
4 + -4 + 7y = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 7y = 25 + -4
7y = 25 + -4

Combine like terms: 25 + -4 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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