7y-(y-1)=25

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Solution for 7y-(y-1)=25 equation:


Simplifying
7y + -1(y + -1) = 25

Reorder the terms:
7y + -1(-1 + y) = 25
7y + (-1 * -1 + y * -1) = 25
7y + (1 + -1y) = 25

Reorder the terms:
1 + 7y + -1y = 25

Combine like terms: 7y + -1y = 6y
1 + 6y = 25

Solving
1 + 6y = 25

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + 6y = 25 + -1

Combine like terms: 1 + -1 = 0
0 + 6y = 25 + -1
6y = 25 + -1

Combine like terms: 25 + -1 = 24
6y = 24

Divide each side by '6'.
y = 4

Simplifying
y = 4

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