x+30y+x-31z=100

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Solution for x+30y+x-31z=100 equation:


Simplifying
x + 30y + x + -31z = 100

Reorder the terms:
x + x + 30y + -31z = 100

Combine like terms: x + x = 2x
2x + 30y + -31z = 100

Solving
2x + 30y + -31z = 100

Solving for variable 'x'.

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

Add '-30y' to each side of the equation.
2x + 30y + -30y + -31z = 100 + -30y

Combine like terms: 30y + -30y = 0
2x + 0 + -31z = 100 + -30y
2x + -31z = 100 + -30y

Add '31z' to each side of the equation.
2x + -31z + 31z = 100 + -30y + 31z

Combine like terms: -31z + 31z = 0
2x + 0 = 100 + -30y + 31z
2x = 100 + -30y + 31z

Divide each side by '2'.
x = 50 + -15y + 15.5z

Simplifying
x = 50 + -15y + 15.5z

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