(x+10)+(4x-16)+x=642

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Solution for (x+10)+(4x-16)+x=642 equation:


Simplifying
(x + 10) + (4x + -16) + x = 642

Reorder the terms:
(10 + x) + (4x + -16) + x = 642

Remove parenthesis around (10 + x)
10 + x + (4x + -16) + x = 642

Reorder the terms:
10 + x + (-16 + 4x) + x = 642

Remove parenthesis around (-16 + 4x)
10 + x + -16 + 4x + x = 642

Reorder the terms:
10 + -16 + x + 4x + x = 642

Combine like terms: 10 + -16 = -6
-6 + x + 4x + x = 642

Combine like terms: x + 4x = 5x
-6 + 5x + x = 642

Combine like terms: 5x + x = 6x
-6 + 6x = 642

Solving
-6 + 6x = 642

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 = 642 + 6

Combine like terms: -6 + 6 = 0
0 + 6x = 642 + 6
6x = 642 + 6

Combine like terms: 642 + 6 = 648
6x = 648

Divide each side by '6'.
x = 108

Simplifying
x = 108

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