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

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


Simplifying
3(y + 3) + 4y = -9

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

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

Solving
9 + 7y = -9

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 7y = -9 + -9

Combine like terms: 9 + -9 = 0
0 + 7y = -9 + -9
7y = -9 + -9

Combine like terms: -9 + -9 = -18
7y = -18

Divide each side by '7'.
y = -2.571428571

Simplifying
y = -2.571428571

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