(8x+2)+(-9x+7)=z

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


Simplifying
(8x + 2) + (-9x + 7) = z

Reorder the terms:
(2 + 8x) + (-9x + 7) = z

Remove parenthesis around (2 + 8x)
2 + 8x + (-9x + 7) = z

Reorder the terms:
2 + 8x + (7 + -9x) = z

Remove parenthesis around (7 + -9x)
2 + 8x + 7 + -9x = z

Reorder the terms:
2 + 7 + 8x + -9x = z

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

Combine like terms: 8x + -9x = -1x
9 + -1x = z

Solving
9 + -1x = z

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 + -9 + -1x = -9 + z

Combine like terms: 9 + -9 = 0
0 + -1x = -9 + z
-1x = -9 + z

Divide each side by '-1'.
x = 9 + -1z

Simplifying
x = 9 + -1z

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