7(y+3)-2y=0

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Solution for 7(y+3)-2y=0 equation:


Simplifying
7(y + 3) + -2y = 0

Reorder the terms:
7(3 + y) + -2y = 0
(3 * 7 + y * 7) + -2y = 0
(21 + 7y) + -2y = 0

Combine like terms: 7y + -2y = 5y
21 + 5y = 0

Solving
21 + 5y = 0

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 5y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 5y = 0 + -21
5y = 0 + -21

Combine like terms: 0 + -21 = -21
5y = -21

Divide each side by '5'.
y = -4.2

Simplifying
y = -4.2

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