4x+.75+1.25x-3z=9

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Solution for 4x+.75+1.25x-3z=9 equation: 


Simplifying
4x + 0.75 + 1.25x + -3z = 9

Reorder the terms:
0.75 + 4x + 1.25x + -3z = 9

Combine like terms: 4x + 1.25x = 5.25x
0.75 + 5.25x + -3z = 9

Solving
0.75 + 5.25x + -3z = 9

Solving for variable 'x'.

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

Add '-0.75' to each side of the equation.
0.75 + 5.25x + -0.75 + -3z = 9 + -0.75

Reorder the terms:
0.75 + -0.75 + 5.25x + -3z = 9 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + 5.25x + -3z = 9 + -0.75
5.25x + -3z = 9 + -0.75

Combine like terms: 9 + -0.75 = 8.25
5.25x + -3z = 8.25

Add '3z' to each side of the equation.
5.25x + -3z + 3z = 8.25 + 3z

Combine like terms: -3z + 3z = 0
5.25x + 0 = 8.25 + 3z
5.25x = 8.25 + 3z

Divide each side by '5.25'.
x = 1.571428571 + 0.5714285714z

Simplifying
x = 1.571428571 + 0.5714285714z

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