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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