x+500+200=3x+100

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Solution for x+500+200=3x+100 equation:


Simplifying
x + 500 + 200 = 3x + 100

Reorder the terms:
500 + 200 + x = 3x + 100

Combine like terms: 500 + 200 = 700
700 + x = 3x + 100

Reorder the terms:
700 + x = 100 + 3x

Solving
700 + x = 100 + 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.
700 + x + -3x = 100 + 3x + -3x

Combine like terms: x + -3x = -2x
700 + -2x = 100 + 3x + -3x

Combine like terms: 3x + -3x = 0
700 + -2x = 100 + 0
700 + -2x = 100

Add '-700' to each side of the equation.
700 + -700 + -2x = 100 + -700

Combine like terms: 700 + -700 = 0
0 + -2x = 100 + -700
-2x = 100 + -700

Combine like terms: 100 + -700 = -600
-2x = -600

Divide each side by '-2'.
x = 300

Simplifying
x = 300

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