(8x+2y-9)-(7x+6y)=

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Solution for (8x+2y-9)-(7x+6y)= equation:


Simplifying
(8x + 2y + -9) + -1(7x + 6y) = 0

Reorder the terms:
(-9 + 8x + 2y) + -1(7x + 6y) = 0

Remove parenthesis around (-9 + 8x + 2y)
-9 + 8x + 2y + -1(7x + 6y) = 0
-9 + 8x + 2y + (7x * -1 + 6y * -1) = 0
-9 + 8x + 2y + (-7x + -6y) = 0

Reorder the terms:
-9 + 8x + -7x + 2y + -6y = 0

Combine like terms: 8x + -7x = 1x
-9 + 1x + 2y + -6y = 0

Combine like terms: 2y + -6y = -4y
-9 + 1x + -4y = 0

Solving
-9 + 1x + -4y = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 1x + 9 + -4y = 0 + 9

Reorder the terms:
-9 + 9 + 1x + -4y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 1x + -4y = 0 + 9
1x + -4y = 0 + 9

Combine like terms: 0 + 9 = 9
1x + -4y = 9

Add '4y' to each side of the equation.
1x + -4y + 4y = 9 + 4y

Combine like terms: -4y + 4y = 0
1x + 0 = 9 + 4y
1x = 9 + 4y

Divide each side by '1'.
x = 9 + 4y

Simplifying
x = 9 + 4y

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