7(2y-6)-(3y+9)=

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Solution for 7(2y-6)-(3y+9)= equation:


Simplifying
7(2y + -6) + -1(3y + 9) = 0

Reorder the terms:
7(-6 + 2y) + -1(3y + 9) = 0
(-6 * 7 + 2y * 7) + -1(3y + 9) = 0
(-42 + 14y) + -1(3y + 9) = 0

Reorder the terms:
-42 + 14y + -1(9 + 3y) = 0
-42 + 14y + (9 * -1 + 3y * -1) = 0
-42 + 14y + (-9 + -3y) = 0

Reorder the terms:
-42 + -9 + 14y + -3y = 0

Combine like terms: -42 + -9 = -51
-51 + 14y + -3y = 0

Combine like terms: 14y + -3y = 11y
-51 + 11y = 0

Solving
-51 + 11y = 0

Solving for variable 'y'.

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

Add '51' to each side of the equation.
-51 + 51 + 11y = 0 + 51

Combine like terms: -51 + 51 = 0
0 + 11y = 0 + 51
11y = 0 + 51

Combine like terms: 0 + 51 = 51
11y = 51

Divide each side by '11'.
y = 4.636363636

Simplifying
y = 4.636363636

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