800=x+3x

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Solution for 800=x+3x equation:


Simplifying
800 = x + 3x

Combine like terms: x + 3x = 4x
800 = 4x

Solving
800 = 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.
800 + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
800 + -4x = 0

Add '-800' to each side of the equation.
800 + -800 + -4x = 0 + -800

Combine like terms: 800 + -800 = 0
0 + -4x = 0 + -800
-4x = 0 + -800

Combine like terms: 0 + -800 = -800
-4x = -800

Divide each side by '-4'.
x = 200

Simplifying
x = 200

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