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

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Solution for (7x+2)+(x-4)-(5x+1)= equation:


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

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

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

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

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

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

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

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

Combine like terms: -2 + -1 = -3
-3 + 7x + x + -5x = 0

Combine like terms: 7x + x = 8x
-3 + 8x + -5x = 0

Combine like terms: 8x + -5x = 3x
-3 + 3x = 0

Solving
-3 + 3x = 0

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 3x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = 0 + 3
3x = 0 + 3

Combine like terms: 0 + 3 = 3
3x = 3

Divide each side by '3'.
x = 1

Simplifying
x = 1

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