3=4x+8y

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Solution for 3=4x+8y equation:


Simplifying
3 = 4x + 8y

Solving
3 = 4x + 8y

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
3 + -4x = 4x + -4x + 8y

Combine like terms: 4x + -4x = 0
3 + -4x = 0 + 8y
3 + -4x = 8y

Add '-3' to each side of the equation.
3 + -3 + -4x = -3 + 8y

Combine like terms: 3 + -3 = 0
0 + -4x = -3 + 8y
-4x = -3 + 8y

Divide each side by '-4'.
x = 0.75 + -2y

Simplifying
x = 0.75 + -2y

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