3.5x+1.5y=21

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Solution for 3.5x+1.5y=21 equation: 


Simplifying
3.5x + 1.5y = 21

Solving
3.5x + 1.5y = 21

Solving for variable 'x'.

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

Add '-1.5y' to each side of the equation.
3.5x + 1.5y + -1.5y = 21 + -1.5y

Combine like terms: 1.5y + -1.5y = 0.0
3.5x + 0.0 = 21 + -1.5y
3.5x = 21 + -1.5y

Divide each side by '3.5'.
x = 6 + -0.4285714286y

Simplifying
x = 6 + -0.4285714286y

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