7(2y+3)=5(2y+9)

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Solution for 7(2y+3)=5(2y+9) equation:


Simplifying
7(2y + 3) = 5(2y + 9)

Reorder the terms:
7(3 + 2y) = 5(2y + 9)
(3 * 7 + 2y * 7) = 5(2y + 9)
(21 + 14y) = 5(2y + 9)

Reorder the terms:
21 + 14y = 5(9 + 2y)
21 + 14y = (9 * 5 + 2y * 5)
21 + 14y = (45 + 10y)

Solving
21 + 14y = 45 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
21 + 14y + -10y = 45 + 10y + -10y

Combine like terms: 14y + -10y = 4y
21 + 4y = 45 + 10y + -10y

Combine like terms: 10y + -10y = 0
21 + 4y = 45 + 0
21 + 4y = 45

Add '-21' to each side of the equation.
21 + -21 + 4y = 45 + -21

Combine like terms: 21 + -21 = 0
0 + 4y = 45 + -21
4y = 45 + -21

Combine like terms: 45 + -21 = 24
4y = 24

Divide each side by '4'.
y = 6

Simplifying
y = 6

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