900+900+3x=700+500+9x

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Solution for 900+900+3x=700+500+9x equation: 


Simplifying
900 + 900 + 3x = 700 + 500 + 9x

Combine like terms: 900 + 900 = 1800
1800 + 3x = 700 + 500 + 9x

Combine like terms: 700 + 500 = 1200
1800 + 3x = 1200 + 9x

Solving
1800 + 3x = 1200 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
1800 + 3x + -9x = 1200 + 9x + -9x

Combine like terms: 3x + -9x = -6x
1800 + -6x = 1200 + 9x + -9x

Combine like terms: 9x + -9x = 0
1800 + -6x = 1200 + 0
1800 + -6x = 1200

Add '-1800' to each side of the equation.
1800 + -1800 + -6x = 1200 + -1800

Combine like terms: 1800 + -1800 = 0
0 + -6x = 1200 + -1800
-6x = 1200 + -1800

Combine like terms: 1200 + -1800 = -600
-6x = -600

Divide each side by '-6'.
x = 100

Simplifying
x = 100

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