20=7x-4y

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Solution for 20=7x-4y equation:


Simplifying
20 = 7x + -4y

Solving
20 = 7x + -4y

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20 + -7x = 7x + -7x + -4y

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

Add '-20' to each side of the equation.
20 + -20 + -7x = -20 + -4y

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

Divide each side by '-7'.
x = 2.857142857 + 0.5714285714y

Simplifying
x = 2.857142857 + 0.5714285714y

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