(7x)+(x-4)=0

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Solution for (7x)+(x-4)=0 equation:


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

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

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

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

Combine like terms: (7x) + x = 8x
-4 + 8x = 0

Solving
-4 + 8x = 0

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 8x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 8x = 0 + 4
8x = 0 + 4

Combine like terms: 0 + 4 = 4
8x = 4

Divide each side by '8'.
x = 0.5

Simplifying
x = 0.5

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