17-4y=27-(7y+31)

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Solution for 17-4y=27-(7y+31) equation:


Simplifying
17 + -4y = 27 + -1(7y + 31)

Reorder the terms:
17 + -4y = 27 + -1(31 + 7y)
17 + -4y = 27 + (31 * -1 + 7y * -1)
17 + -4y = 27 + (-31 + -7y)

Combine like terms: 27 + -31 = -4
17 + -4y = -4 + -7y

Solving
17 + -4y = -4 + -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.
17 + -4y + 7y = -4 + -7y + 7y

Combine like terms: -4y + 7y = 3y
17 + 3y = -4 + -7y + 7y

Combine like terms: -7y + 7y = 0
17 + 3y = -4 + 0
17 + 3y = -4

Add '-17' to each side of the equation.
17 + -17 + 3y = -4 + -17

Combine like terms: 17 + -17 = 0
0 + 3y = -4 + -17
3y = -4 + -17

Combine like terms: -4 + -17 = -21
3y = -21

Divide each side by '3'.
y = -7

Simplifying
y = -7

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