3x+3.25(200-x)=200(3.2)

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Solution for 3x+3.25(200-x)=200(3.2) equation: 


Simplifying
3x + 3.25(200 + -1x) = 200(3.2)
3x + (200 * 3.25 + -1x * 3.25) = 200(3.2)
3x + (650 + -3.25x) = 200(3.2)

Reorder the terms:
650 + 3x + -3.25x = 200(3.2)

Combine like terms: 3x + -3.25x = -0.25x
650 + -0.25x = 200(3.2)

Multiply 200 * 3.2
650 + -0.25x = 640

Solving
650 + -0.25x = 640

Solving for variable 'x'.

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

Add '-650' to each side of the equation.
650 + -650 + -0.25x = 640 + -650

Combine like terms: 650 + -650 = 0
0 + -0.25x = 640 + -650
-0.25x = 640 + -650

Combine like terms: 640 + -650 = -10
-0.25x = -10

Divide each side by '-0.25'.
x = 40

Simplifying
x = 40

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