1.2X-200=1.28*(X-200)

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Solution for 1.2X-200=1.28*(X-200) equation: 


Simplifying
1.2X + -200 = 1.28(X + -200)

Reorder the terms:
-200 + 1.2X = 1.28(X + -200)

Reorder the terms:
-200 + 1.2X = 1.28(-200 + X)
-200 + 1.2X = (-200 * 1.28 + X * 1.28)
-200 + 1.2X = (-256 + 1.28X)

Solving
-200 + 1.2X = -256 + 1.28X

Solving for variable 'X'.

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

Add '-1.28X' to each side of the equation.
-200 + 1.2X + -1.28X = -256 + 1.28X + -1.28X

Combine like terms: 1.2X + -1.28X = -0.08X
-200 + -0.08X = -256 + 1.28X + -1.28X

Combine like terms: 1.28X + -1.28X = 0.00
-200 + -0.08X = -256 + 0.00
-200 + -0.08X = -256

Add '200' to each side of the equation.
-200 + 200 + -0.08X = -256 + 200

Combine like terms: -200 + 200 = 0
0 + -0.08X = -256 + 200
-0.08X = -256 + 200

Combine like terms: -256 + 200 = -56
-0.08X = -56

Divide each side by '-0.08'.
X = 700

Simplifying
X = 700

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