(7x+4)+(x-5)-(2x+5)=

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Solution for (7x+4)+(x-5)-(2x+5)= equation:


Simplifying
(7x + 4) + (x + -5) + -1(2x + 5) = 0

Reorder the terms:
(4 + 7x) + (x + -5) + -1(2x + 5) = 0

Remove parenthesis around (4 + 7x)
4 + 7x + (x + -5) + -1(2x + 5) = 0

Reorder the terms:
4 + 7x + (-5 + x) + -1(2x + 5) = 0

Remove parenthesis around (-5 + x)
4 + 7x + -5 + x + -1(2x + 5) = 0

Reorder the terms:
4 + 7x + -5 + x + -1(5 + 2x) = 0
4 + 7x + -5 + x + (5 * -1 + 2x * -1) = 0
4 + 7x + -5 + x + (-5 + -2x) = 0

Reorder the terms:
4 + -5 + -5 + 7x + x + -2x = 0

Combine like terms: 4 + -5 = -1
-1 + -5 + 7x + x + -2x = 0

Combine like terms: -1 + -5 = -6
-6 + 7x + x + -2x = 0

Combine like terms: 7x + x = 8x
-6 + 8x + -2x = 0

Combine like terms: 8x + -2x = 6x
-6 + 6x = 0

Solving
-6 + 6x = 0

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 6x = 0 + 6

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

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

Divide each side by '6'.
x = 1

Simplifying
x = 1

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