400x-(9y+200)=2100

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Solution for 400x-(9y+200)=2100 equation:


Simplifying
400x + -1(9y + 200) = 2100

Reorder the terms:
400x + -1(200 + 9y) = 2100
400x + (200 * -1 + 9y * -1) = 2100
400x + (-200 + -9y) = 2100

Reorder the terms:
-200 + 400x + -9y = 2100

Solving
-200 + 400x + -9y = 2100

Solving for variable 'x'.

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

Add '200' to each side of the equation.
-200 + 400x + 200 + -9y = 2100 + 200

Reorder the terms:
-200 + 200 + 400x + -9y = 2100 + 200

Combine like terms: -200 + 200 = 0
0 + 400x + -9y = 2100 + 200
400x + -9y = 2100 + 200

Combine like terms: 2100 + 200 = 2300
400x + -9y = 2300

Add '9y' to each side of the equation.
400x + -9y + 9y = 2300 + 9y

Combine like terms: -9y + 9y = 0
400x + 0 = 2300 + 9y
400x = 2300 + 9y

Divide each side by '400'.
x = 5.75 + 0.0225y

Simplifying
x = 5.75 + 0.0225y

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