3y+17=7(y-1)

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Solution for 3y+17=7(y-1) equation:


Simplifying
3y + 17 = 7(y + -1)

Reorder the terms:
17 + 3y = 7(y + -1)

Reorder the terms:
17 + 3y = 7(-1 + y)
17 + 3y = (-1 * 7 + y * 7)
17 + 3y = (-7 + 7y)

Solving
17 + 3y = -7 + 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 + 3y + -7y = -7 + 7y + -7y

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

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

Add '-17' to each side of the equation.
17 + -17 + -4y = -7 + -17

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

Combine like terms: -7 + -17 = -24
-4y = -24

Divide each side by '-4'.
y = 6

Simplifying
y = 6

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