30x-70y=100

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Solution for 30x-70y=100 equation: 


Simplifying
30x + -70y = 100

Solving
30x + -70y = 100

Solving for variable 'x'.

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

Add '70y' to each side of the equation.
30x + -70y + 70y = 100 + 70y

Combine like terms: -70y + 70y = 0
30x + 0 = 100 + 70y
30x = 100 + 70y

Divide each side by '30'.
x = 3.333333333 + 2.333333333y

Simplifying
x = 3.333333333 + 2.333333333y

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