3x+3.25(100-x)=3.2(200)

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Solution for 3x+3.25(100-x)=3.2(200) equation:


Simplifying
3x + 3.25(100 + -1x) = 3.2(200)
3x + (100 * 3.25 + -1x * 3.25) = 3.2(200)
3x + (325 + -3.25x) = 3.2(200)

Reorder the terms:
325 + 3x + -3.25x = 3.2(200)

Combine like terms: 3x + -3.25x = -0.25x
325 + -0.25x = 3.2(200)

Multiply 3.2 * 200
325 + -0.25x = 640

Solving
325 + -0.25x = 640

Solving for variable 'x'.

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

Add '-325' to each side of the equation.
325 + -325 + -0.25x = 640 + -325

Combine like terms: 325 + -325 = 0
0 + -0.25x = 640 + -325
-0.25x = 640 + -325

Combine like terms: 640 + -325 = 315
-0.25x = 315

Divide each side by '-0.25'.
x = -1260

Simplifying
x = -1260

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