620=7x+3y

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Solution for 620=7x+3y equation:


Simplifying
620 = 7x + 3y

Solving
620 = 7x + 3y

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.
620 + -7x = 7x + -7x + 3y

Combine like terms: 7x + -7x = 0
620 + -7x = 0 + 3y
620 + -7x = 3y

Add '-620' to each side of the equation.
620 + -620 + -7x = -620 + 3y

Combine like terms: 620 + -620 = 0
0 + -7x = -620 + 3y
-7x = -620 + 3y

Divide each side by '-7'.
x = 88.57142857 + -0.4285714286y

Simplifying
x = 88.57142857 + -0.4285714286y

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