(5x-9)-(7x-4)=

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Solution for (5x-9)-(7x-4)= equation:


Simplifying
(5x + -9) + -1(7x + -4) = 0

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

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

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

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

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

Combine like terms: 5x + -7x = -2x
-5 + -2x = 0

Solving
-5 + -2x = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -2x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = 0 + 5
-2x = 0 + 5

Combine like terms: 0 + 5 = 5
-2x = 5

Divide each side by '-2'.
x = -2.5

Simplifying
x = -2.5

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