1.5x+7.5y-4.2=0

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Solution for 1.5x+7.5y-4.2=0 equation: 


Simplifying
1.5x + 7.5y + -4.2 = 0

Reorder the terms:
-4.2 + 1.5x + 7.5y = 0

Solving
-4.2 + 1.5x + 7.5y = 0

Solving for variable 'x'.

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

Add '4.2' to each side of the equation.
-4.2 + 1.5x + 4.2 + 7.5y = 0 + 4.2

Reorder the terms:
-4.2 + 4.2 + 1.5x + 7.5y = 0 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 1.5x + 7.5y = 0 + 4.2
1.5x + 7.5y = 0 + 4.2

Combine like terms: 0 + 4.2 = 4.2
1.5x + 7.5y = 4.2

Add '-7.5y' to each side of the equation.
1.5x + 7.5y + -7.5y = 4.2 + -7.5y

Combine like terms: 7.5y + -7.5y = 0.0
1.5x + 0.0 = 4.2 + -7.5y
1.5x = 4.2 + -7.5y

Divide each side by '1.5'.
x = 2.8 + -5y

Simplifying
x = 2.8 + -5y

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