7x+5y+1z=100

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Solution for 7x+5y+1z=100 equation:


Simplifying
7x + 5y + 1z = 100

Solving
7x + 5y + 1z = 100

Solving for variable 'x'.

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

Add '-5y' to each side of the equation.
7x + 5y + -5y + 1z = 100 + -5y

Combine like terms: 5y + -5y = 0
7x + 0 + 1z = 100 + -5y
7x + 1z = 100 + -5y

Add '-1z' to each side of the equation.
7x + 1z + -1z = 100 + -5y + -1z

Combine like terms: 1z + -1z = 0
7x + 0 = 100 + -5y + -1z
7x = 100 + -5y + -1z

Divide each side by '7'.
x = 14.28571429 + -0.7142857143y + -0.1428571429z

Simplifying
x = 14.28571429 + -0.7142857143y + -0.1428571429z

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