8y+1=7y-2(7+y)

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Solution for 8y+1=7y-2(7+y) equation:


Simplifying
8y + 1 = 7y + -2(7 + y)

Reorder the terms:
1 + 8y = 7y + -2(7 + y)
1 + 8y = 7y + (7 * -2 + y * -2)
1 + 8y = 7y + (-14 + -2y)

Reorder the terms:
1 + 8y = -14 + 7y + -2y

Combine like terms: 7y + -2y = 5y
1 + 8y = -14 + 5y

Solving
1 + 8y = -14 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
1 + 8y + -5y = -14 + 5y + -5y

Combine like terms: 8y + -5y = 3y
1 + 3y = -14 + 5y + -5y

Combine like terms: 5y + -5y = 0
1 + 3y = -14 + 0
1 + 3y = -14

Add '-1' to each side of the equation.
1 + -1 + 3y = -14 + -1

Combine like terms: 1 + -1 = 0
0 + 3y = -14 + -1
3y = -14 + -1

Combine like terms: -14 + -1 = -15
3y = -15

Divide each side by '3'.
y = -5

Simplifying
y = -5

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