3y+31=-4(y+8)

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Solution for 3y+31=-4(y+8) equation:


Simplifying
3y + 31 = -4(y + 8)

Reorder the terms:
31 + 3y = -4(y + 8)

Reorder the terms:
31 + 3y = -4(8 + y)
31 + 3y = (8 * -4 + y * -4)
31 + 3y = (-32 + -4y)

Solving
31 + 3y = -32 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
31 + 3y + 4y = -32 + -4y + 4y

Combine like terms: 3y + 4y = 7y
31 + 7y = -32 + -4y + 4y

Combine like terms: -4y + 4y = 0
31 + 7y = -32 + 0
31 + 7y = -32

Add '-31' to each side of the equation.
31 + -31 + 7y = -32 + -31

Combine like terms: 31 + -31 = 0
0 + 7y = -32 + -31
7y = -32 + -31

Combine like terms: -32 + -31 = -63
7y = -63

Divide each side by '7'.
y = -9

Simplifying
y = -9

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