(6x+7)-(-8x+9)=z

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


Simplifying
(6x + 7) + -1(-8x + 9) = z

Reorder the terms:
(7 + 6x) + -1(-8x + 9) = z

Remove parenthesis around (7 + 6x)
7 + 6x + -1(-8x + 9) = z

Reorder the terms:
7 + 6x + -1(9 + -8x) = z
7 + 6x + (9 * -1 + -8x * -1) = z
7 + 6x + (-9 + 8x) = z

Reorder the terms:
7 + -9 + 6x + 8x = z

Combine like terms: 7 + -9 = -2
-2 + 6x + 8x = z

Combine like terms: 6x + 8x = 14x
-2 + 14x = z

Solving
-2 + 14x = z

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 14x = 2 + z

Combine like terms: -2 + 2 = 0
0 + 14x = 2 + z
14x = 2 + z

Divide each side by '14'.
x = 0.1428571429 + 0.07142857143z

Simplifying
x = 0.1428571429 + 0.07142857143z

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