10(0.4x+0.3y)=(2)10

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Solution for 10(0.4x+0.3y)=(2)10 equation: 


Simplifying
10(0.4x + 0.3y) = (2) * 10
(0.4x * 10 + 0.3y * 10) = (2) * 10
(4x + 3y) = (2) * 10

Multiply 2 * 10
4x + 3y = 20

Solving
4x + 3y = 20

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
4x + 3y + -3y = 20 + -3y

Combine like terms: 3y + -3y = 0
4x + 0 = 20 + -3y
4x = 20 + -3y

Divide each side by '4'.
x = 5 + -0.75y

Simplifying
x = 5 + -0.75y

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