200+7x=100-2x

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Solution for 200+7x=100-2x equation:


Simplifying
200 + 7x = 100 + -2x

Solving
200 + 7x = 100 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
200 + 7x + 2x = 100 + -2x + 2x

Combine like terms: 7x + 2x = 9x
200 + 9x = 100 + -2x + 2x

Combine like terms: -2x + 2x = 0
200 + 9x = 100 + 0
200 + 9x = 100

Add '-200' to each side of the equation.
200 + -200 + 9x = 100 + -200

Combine like terms: 200 + -200 = 0
0 + 9x = 100 + -200
9x = 100 + -200

Combine like terms: 100 + -200 = -100
9x = -100

Divide each side by '9'.
x = -11.11111111

Simplifying
x = -11.11111111

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