7y-(9y-3)+4y=0

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Solution for 7y-(9y-3)+4y=0 equation:


Simplifying
7y + -1(9y + -3) + 4y = 0

Reorder the terms:
7y + -1(-3 + 9y) + 4y = 0
7y + (-3 * -1 + 9y * -1) + 4y = 0
7y + (3 + -9y) + 4y = 0

Reorder the terms:
3 + 7y + -9y + 4y = 0

Combine like terms: 7y + -9y = -2y
3 + -2y + 4y = 0

Combine like terms: -2y + 4y = 2y
3 + 2y = 0

Solving
3 + 2y = 0

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 2y = 0 + -3

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

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

Divide each side by '2'.
y = -1.5

Simplifying
y = -1.5

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