2x+7y=40

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Solution for 2x+7y=40 equation: 


Simplifying
2x + 7y = 40

Solving
2x + 7y = 40

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
2x + 7y + -7y = 40 + -7y

Combine like terms: 7y + -7y = 0
2x + 0 = 40 + -7y
2x = 40 + -7y

Divide each side by '2'.
x = 20 + -3.5y

Simplifying
x = 20 + -3.5y

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