.05x+.07y=640

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Solution for .05x+.07y=640 equation: 


Simplifying
0.05x + 0.07y = 640

Solving
0.05x + 0.07y = 640

Solving for variable 'x'.

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

Add '-0.07y' to each side of the equation.
0.05x + 0.07y + -0.07y = 640 + -0.07y

Combine like terms: 0.07y + -0.07y = 0.00
0.05x + 0.00 = 640 + -0.07y
0.05x = 640 + -0.07y

Divide each side by '0.05'.
x = 12800 + -1.4y

Simplifying
x = 12800 + -1.4y

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