30=5x+8y

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Solution for 30=5x+8y equation:


Simplifying
30 = 5x + 8y

Solving
30 = 5x + 8y

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
30 + -5x = 5x + -5x + 8y

Combine like terms: 5x + -5x = 0
30 + -5x = 0 + 8y
30 + -5x = 8y

Add '-30' to each side of the equation.
30 + -30 + -5x = -30 + 8y

Combine like terms: 30 + -30 = 0
0 + -5x = -30 + 8y
-5x = -30 + 8y

Divide each side by '-5'.
x = 6 + -1.6y

Simplifying
x = 6 + -1.6y

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