28=x+3x-8

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Solution for 28=x+3x-8 equation:


Simplifying
28 = x + 3x + -8

Reorder the terms:
28 = -8 + x + 3x

Combine like terms: x + 3x = 4x
28 = -8 + 4x

Solving
28 = -8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
28 + -4x = -8 + 4x + -4x

Combine like terms: 4x + -4x = 0
28 + -4x = -8 + 0
28 + -4x = -8

Add '-28' to each side of the equation.
28 + -28 + -4x = -8 + -28

Combine like terms: 28 + -28 = 0
0 + -4x = -8 + -28
-4x = -8 + -28

Combine like terms: -8 + -28 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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