1.4x-3.5y=7

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Solution for 1.4x-3.5y=7 equation: 


Simplifying
1.4x + -3.5y = 7

Solving
1.4x + -3.5y = 7

Solving for variable 'x'.

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

Add '3.5y' to each side of the equation.
1.4x + -3.5y + 3.5y = 7 + 3.5y

Combine like terms: -3.5y + 3.5y = 0.0
1.4x + 0.0 = 7 + 3.5y
1.4x = 7 + 3.5y

Divide each side by '1.4'.
x = 5 + 2.5y

Simplifying
x = 5 + 2.5y

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