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

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


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

Reorder the terms:
-7(-3 + 6y) = 3y + 9y + -7
(-3 * -7 + 6y * -7) = 3y + 9y + -7
(21 + -42y) = 3y + 9y + -7

Reorder the terms:
21 + -42y = -7 + 3y + 9y

Combine like terms: 3y + 9y = 12y
21 + -42y = -7 + 12y

Solving
21 + -42y = -7 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
21 + -42y + -12y = -7 + 12y + -12y

Combine like terms: -42y + -12y = -54y
21 + -54y = -7 + 12y + -12y

Combine like terms: 12y + -12y = 0
21 + -54y = -7 + 0
21 + -54y = -7

Add '-21' to each side of the equation.
21 + -21 + -54y = -7 + -21

Combine like terms: 21 + -21 = 0
0 + -54y = -7 + -21
-54y = -7 + -21

Combine like terms: -7 + -21 = -28
-54y = -28

Divide each side by '-54'.
y = 0.5185185185

Simplifying
y = 0.5185185185

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