(620+x)-300=3x

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Solution for (620+x)-300=3x equation:


Simplifying
(620 + x) + -300 = 3x

Remove parenthesis around (620 + x)
620 + x + -300 = 3x

Reorder the terms:
620 + -300 + x = 3x

Combine like terms: 620 + -300 = 320
320 + x = 3x

Solving
320 + x = 3x

Solving for variable 'x'.

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

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

Combine like terms: x + -3x = -2x
320 + -2x = 3x + -3x

Combine like terms: 3x + -3x = 0
320 + -2x = 0

Add '-320' to each side of the equation.
320 + -320 + -2x = 0 + -320

Combine like terms: 320 + -320 = 0
0 + -2x = 0 + -320
-2x = 0 + -320

Combine like terms: 0 + -320 = -320
-2x = -320

Divide each side by '-2'.
x = 160

Simplifying
x = 160

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