12x-30-3y=15

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Solution for 12x-30-3y=15 equation:


Simplifying
12x + -30 + -3y = 15

Reorder the terms:
-30 + 12x + -3y = 15

Solving
-30 + 12x + -3y = 15

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 + 12x + 30 + -3y = 15 + 30

Reorder the terms:
-30 + 30 + 12x + -3y = 15 + 30

Combine like terms: -30 + 30 = 0
0 + 12x + -3y = 15 + 30
12x + -3y = 15 + 30

Combine like terms: 15 + 30 = 45
12x + -3y = 45

Add '3y' to each side of the equation.
12x + -3y + 3y = 45 + 3y

Combine like terms: -3y + 3y = 0
12x + 0 = 45 + 3y
12x = 45 + 3y

Divide each side by '12'.
x = 3.75 + 0.25y

Simplifying
x = 3.75 + 0.25y

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