1000+900+4x=800+400+9x

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Solution for 1000+900+4x=800+400+9x equation: 


Simplifying
1000 + 900 + 4x = 800 + 400 + 9x

Combine like terms: 1000 + 900 = 1900
1900 + 4x = 800 + 400 + 9x

Combine like terms: 800 + 400 = 1200
1900 + 4x = 1200 + 9x

Solving
1900 + 4x = 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.
1900 + 4x + -9x = 1200 + 9x + -9x

Combine like terms: 4x + -9x = -5x
1900 + -5x = 1200 + 9x + -9x

Combine like terms: 9x + -9x = 0
1900 + -5x = 1200 + 0
1900 + -5x = 1200

Add '-1900' to each side of the equation.
1900 + -1900 + -5x = 1200 + -1900

Combine like terms: 1900 + -1900 = 0
0 + -5x = 1200 + -1900
-5x = 1200 + -1900

Combine like terms: 1200 + -1900 = -700
-5x = -700

Divide each side by '-5'.
x = 140

Simplifying
x = 140

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