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

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Solution for (5x-4)-(7x+1)= equation:


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

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

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

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

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

Combine like terms: -4 + -1 = -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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