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

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


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

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

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

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

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

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

Combine like terms: 7x + -1x = 6x
-9 + 6x = 0

Solving
-9 + 6x = 0

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 + 6x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 6x = 0 + 9
6x = 0 + 9

Combine like terms: 0 + 9 = 9
6x = 9

Divide each side by '6'.
x = 1.5

Simplifying
x = 1.5

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