7x+2y=45

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Solution for 7x+2y=45 equation: 


Simplifying
7x + 2y = 45

Solving
7x + 2y = 45

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
7x + 2y + -2y = 45 + -2y

Combine like terms: 2y + -2y = 0
7x + 0 = 45 + -2y
7x = 45 + -2y

Divide each side by '7'.
x = 6.428571429 + -0.2857142857y

Simplifying
x = 6.428571429 + -0.2857142857y

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