7y+3=2(2y+9)

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Solution for 7y+3=2(2y+9) equation:


Simplifying
7y + 3 = 2(2y + 9)

Reorder the terms:
3 + 7y = 2(2y + 9)

Reorder the terms:
3 + 7y = 2(9 + 2y)
3 + 7y = (9 * 2 + 2y * 2)
3 + 7y = (18 + 4y)

Solving
3 + 7y = 18 + 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.
3 + 7y + -4y = 18 + 4y + -4y

Combine like terms: 7y + -4y = 3y
3 + 3y = 18 + 4y + -4y

Combine like terms: 4y + -4y = 0
3 + 3y = 18 + 0
3 + 3y = 18

Add '-3' to each side of the equation.
3 + -3 + 3y = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 3y = 18 + -3
3y = 18 + -3

Combine like terms: 18 + -3 = 15
3y = 15

Divide each side by '3'.
y = 5

Simplifying
y = 5

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