4(3y+9)-6y+7x=15x-12

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Solution for 4(3y+9)-6y+7x=15x-12 equation:


Simplifying
4(3y + 9) + -6y + 7x = 15x + -12

Reorder the terms:
4(9 + 3y) + -6y + 7x = 15x + -12
(9 * 4 + 3y * 4) + -6y + 7x = 15x + -12
(36 + 12y) + -6y + 7x = 15x + -12

Reorder the terms:
36 + 7x + 12y + -6y = 15x + -12

Combine like terms: 12y + -6y = 6y
36 + 7x + 6y = 15x + -12

Reorder the terms:
36 + 7x + 6y = -12 + 15x

Solving
36 + 7x + 6y = -12 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
36 + 7x + -15x + 6y = -12 + 15x + -15x

Combine like terms: 7x + -15x = -8x
36 + -8x + 6y = -12 + 15x + -15x

Combine like terms: 15x + -15x = 0
36 + -8x + 6y = -12 + 0
36 + -8x + 6y = -12

Add '-36' to each side of the equation.
36 + -8x + -36 + 6y = -12 + -36

Reorder the terms:
36 + -36 + -8x + 6y = -12 + -36

Combine like terms: 36 + -36 = 0
0 + -8x + 6y = -12 + -36
-8x + 6y = -12 + -36

Combine like terms: -12 + -36 = -48
-8x + 6y = -48

Add '-6y' to each side of the equation.
-8x + 6y + -6y = -48 + -6y

Combine like terms: 6y + -6y = 0
-8x + 0 = -48 + -6y
-8x = -48 + -6y

Divide each side by '-8'.
x = 6 + 0.75y

Simplifying
x = 6 + 0.75y

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