2x-640+x=1985

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Solution for 2x-640+x=1985 equation:


Simplifying
2x + -640 + x = 1985

Reorder the terms:
-640 + 2x + x = 1985

Combine like terms: 2x + x = 3x
-640 + 3x = 1985

Solving
-640 + 3x = 1985

Solving for variable 'x'.

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

Add '640' to each side of the equation.
-640 + 640 + 3x = 1985 + 640

Combine like terms: -640 + 640 = 0
0 + 3x = 1985 + 640
3x = 1985 + 640

Combine like terms: 1985 + 640 = 2625
3x = 2625

Divide each side by '3'.
x = 875

Simplifying
x = 875

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