4x-9=1.25x-.75

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Solution for 4x-9=1.25x-.75 equation:


Simplifying
4x + -9 = 1.25x + -0.75

Reorder the terms:
-9 + 4x = 1.25x + -0.75

Reorder the terms:
-9 + 4x = -0.75 + 1.25x

Solving
-9 + 4x = -0.75 + 1.25x

Solving for variable 'x'.

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

Add '-1.25x' to each side of the equation.
-9 + 4x + -1.25x = -0.75 + 1.25x + -1.25x

Combine like terms: 4x + -1.25x = 2.75x
-9 + 2.75x = -0.75 + 1.25x + -1.25x

Combine like terms: 1.25x + -1.25x = 0.00
-9 + 2.75x = -0.75 + 0.00
-9 + 2.75x = -0.75

Add '9' to each side of the equation.
-9 + 9 + 2.75x = -0.75 + 9

Combine like terms: -9 + 9 = 0
0 + 2.75x = -0.75 + 9
2.75x = -0.75 + 9

Combine like terms: -0.75 + 9 = 8.25
2.75x = 8.25

Divide each side by '2.75'.
x = 3

Simplifying
x = 3

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