4x-7y=20

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Solution for 4x-7y=20 equation: 


Simplifying
4x + -7y = 20

Solving
4x + -7y = 20

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.
4x + -7y + 7y = 20 + 7y

Combine like terms: -7y + 7y = 0
4x + 0 = 20 + 7y
4x = 20 + 7y

Divide each side by '4'.
x = 5 + 1.75y

Simplifying
x = 5 + 1.75y

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