30+7(y-1)=3(2y+7)

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Solution for 30+7(y-1)=3(2y+7) equation:


Simplifying
30 + 7(y + -1) = 3(2y + 7)

Reorder the terms:
30 + 7(-1 + y) = 3(2y + 7)
30 + (-1 * 7 + y * 7) = 3(2y + 7)
30 + (-7 + 7y) = 3(2y + 7)

Combine like terms: 30 + -7 = 23
23 + 7y = 3(2y + 7)

Reorder the terms:
23 + 7y = 3(7 + 2y)
23 + 7y = (7 * 3 + 2y * 3)
23 + 7y = (21 + 6y)

Solving
23 + 7y = 21 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
23 + 7y + -6y = 21 + 6y + -6y

Combine like terms: 7y + -6y = 1y
23 + 1y = 21 + 6y + -6y

Combine like terms: 6y + -6y = 0
23 + 1y = 21 + 0
23 + 1y = 21

Add '-23' to each side of the equation.
23 + -23 + 1y = 21 + -23

Combine like terms: 23 + -23 = 0
0 + 1y = 21 + -23
1y = 21 + -23

Combine like terms: 21 + -23 = -2
1y = -2

Divide each side by '1'.
y = -2

Simplifying
y = -2

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