-0.3x+3=4.2

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Solution for -0.3x+3=4.2 equation: 


Simplifying
-0.3x + 3 = 4.2

Reorder the terms:
3 + -0.3x = 4.2

Solving
3 + -0.3x = 4.2

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -0.3x = 4.2 + -3

Combine like terms: 3 + -3 = 0
0 + -0.3x = 4.2 + -3
-0.3x = 4.2 + -3

Combine like terms: 4.2 + -3 = 1.2
-0.3x = 1.2

Divide each side by '-0.3'.
x = -4

Simplifying
x = -4

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