7(2y+3)-5y=4(2y+7)

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Solution for 7(2y+3)-5y=4(2y+7) equation:


Simplifying
7(2y + 3) + -5y = 4(2y + 7)

Reorder the terms:
7(3 + 2y) + -5y = 4(2y + 7)
(3 * 7 + 2y * 7) + -5y = 4(2y + 7)
(21 + 14y) + -5y = 4(2y + 7)

Combine like terms: 14y + -5y = 9y
21 + 9y = 4(2y + 7)

Reorder the terms:
21 + 9y = 4(7 + 2y)
21 + 9y = (7 * 4 + 2y * 4)
21 + 9y = (28 + 8y)

Solving
21 + 9y = 28 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
21 + 9y + -8y = 28 + 8y + -8y

Combine like terms: 9y + -8y = 1y
21 + 1y = 28 + 8y + -8y

Combine like terms: 8y + -8y = 0
21 + 1y = 28 + 0
21 + 1y = 28

Add '-21' to each side of the equation.
21 + -21 + 1y = 28 + -21

Combine like terms: 21 + -21 = 0
0 + 1y = 28 + -21
1y = 28 + -21

Combine like terms: 28 + -21 = 7
1y = 7

Divide each side by '1'.
y = 7

Simplifying
y = 7

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