4x+4y=30

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Solution for 4x+4y=30 equation: 


Simplifying
4x + 4y = 30

Solving
4x + 4y = 30

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
4x + 4y + -4y = 30 + -4y

Combine like terms: 4y + -4y = 0
4x + 0 = 30 + -4y
4x = 30 + -4y

Divide each side by '4'.
x = 7.5 + -1y

Simplifying
x = 7.5 + -1y

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