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

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


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

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

Remove parenthesis around (7 + 8x)
7 + 8x + -1(9x + -8) = 0

Reorder the terms:
7 + 8x + -1(-8 + 9x) = 0
7 + 8x + (-8 * -1 + 9x * -1) = 0
7 + 8x + (8 + -9x) = 0

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

Combine like terms: 7 + 8 = 15
15 + 8x + -9x = 0

Combine like terms: 8x + -9x = -1x
15 + -1x = 0

Solving
15 + -1x = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -1x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = 0 + -15
-1x = 0 + -15

Combine like terms: 0 + -15 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

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