9y+3=7(y+3)

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Solution for 9y+3=7(y+3) equation:


Simplifying
9y + 3 = 7(y + 3)

Reorder the terms:
3 + 9y = 7(y + 3)

Reorder the terms:
3 + 9y = 7(3 + y)
3 + 9y = (3 * 7 + y * 7)
3 + 9y = (21 + 7y)

Solving
3 + 9y = 21 + 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.
3 + 9y + -7y = 21 + 7y + -7y

Combine like terms: 9y + -7y = 2y
3 + 2y = 21 + 7y + -7y

Combine like terms: 7y + -7y = 0
3 + 2y = 21 + 0
3 + 2y = 21

Add '-3' to each side of the equation.
3 + -3 + 2y = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = 21 + -3
2y = 21 + -3

Combine like terms: 21 + -3 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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