30-(2x+6y)=21.60

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Solution for 30-(2x+6y)=21.60 equation:


Simplifying
30 + -1(2x + 6y) = 21.60
30 + (2x * -1 + 6y * -1) = 21.60
30 + (-2x + -6y) = 21.60

Solving
30 + -2x + -6y = 21.60

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -2x + -30 + -6y = 21.60 + -30

Reorder the terms:
30 + -30 + -2x + -6y = 21.60 + -30

Combine like terms: 30 + -30 = 0
0 + -2x + -6y = 21.60 + -30
-2x + -6y = 21.60 + -30

Combine like terms: 21.60 + -30 = -8.4
-2x + -6y = -8.4

Add '6y' to each side of the equation.
-2x + -6y + 6y = -8.4 + 6y

Combine like terms: -6y + 6y = 0
-2x + 0 = -8.4 + 6y
-2x = -8.4 + 6y

Divide each side by '-2'.
x = 4.2 + -3y

Simplifying
x = 4.2 + -3y

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