10x-8y-12+6y-15x+20-(3x+7)=

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Solution for 10x-8y-12+6y-15x+20-(3x+7)= equation:


Simplifying
10x + -8y + -12 + 6y + -15x + 20 + -1(3x + 7) = 0

Reorder the terms:
10x + -8y + -12 + 6y + -15x + 20 + -1(7 + 3x) = 0
10x + -8y + -12 + 6y + -15x + 20 + (7 * -1 + 3x * -1) = 0
10x + -8y + -12 + 6y + -15x + 20 + (-7 + -3x) = 0

Reorder the terms:
-12 + 20 + -7 + 10x + -15x + -3x + -8y + 6y = 0

Combine like terms: -12 + 20 = 8
8 + -7 + 10x + -15x + -3x + -8y + 6y = 0

Combine like terms: 8 + -7 = 1
1 + 10x + -15x + -3x + -8y + 6y = 0

Combine like terms: 10x + -15x = -5x
1 + -5x + -3x + -8y + 6y = 0

Combine like terms: -5x + -3x = -8x
1 + -8x + -8y + 6y = 0

Combine like terms: -8y + 6y = -2y
1 + -8x + -2y = 0

Solving
1 + -8x + -2y = 0

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -8x + -1 + -2y = 0 + -1

Reorder the terms:
1 + -1 + -8x + -2y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -8x + -2y = 0 + -1
-8x + -2y = 0 + -1

Combine like terms: 0 + -1 = -1
-8x + -2y = -1

Add '2y' to each side of the equation.
-8x + -2y + 2y = -1 + 2y

Combine like terms: -2y + 2y = 0
-8x + 0 = -1 + 2y
-8x = -1 + 2y

Divide each side by '-8'.
x = 0.125 + -0.25y

Simplifying
x = 0.125 + -0.25y

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