(5x+4x-7)-(5x-4x+7)=

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Solution for (5x+4x-7)-(5x-4x+7)= equation:


Simplifying
(5x + 4x + -7) + -1(5x + -4x + 7) = 0

Reorder the terms:
(-7 + 5x + 4x) + -1(5x + -4x + 7) = 0

Combine like terms: 5x + 4x = 9x
(-7 + 9x) + -1(5x + -4x + 7) = 0

Remove parenthesis around (-7 + 9x)
-7 + 9x + -1(5x + -4x + 7) = 0

Reorder the terms:
-7 + 9x + -1(7 + 5x + -4x) = 0

Combine like terms: 5x + -4x = 1x
-7 + 9x + -1(7 + 1x) = 0
-7 + 9x + (7 * -1 + 1x * -1) = 0
-7 + 9x + (-7 + -1x) = 0

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

Combine like terms: -7 + -7 = -14
-14 + 9x + -1x = 0

Combine like terms: 9x + -1x = 8x
-14 + 8x = 0

Solving
-14 + 8x = 0

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 8x = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 8x = 0 + 14
8x = 0 + 14

Combine like terms: 0 + 14 = 14
8x = 14

Divide each side by '8'.
x = 1.75

Simplifying
x = 1.75

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