-0.2+0.15=0.3(x+3)

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Solution for -0.2+0.15=0.3(x+3) equation: 


Simplifying
-0.2 + 0.15 = 0.3(x + 3)

Combine like terms: -0.2 + 0.15 = -0.05
-0.05 = 0.3(x + 3)

Reorder the terms:
-0.05 = 0.3(3 + x)
-0.05 = (3 * 0.3 + x * 0.3)
-0.05 = (0.9 + 0.3x)

Solving
-0.05 = 0.9 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
-0.05 + -0.3x = 0.9 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
-0.05 + -0.3x = 0.9 + 0.0
-0.05 + -0.3x = 0.9

Add '0.05' to each side of the equation.
-0.05 + 0.05 + -0.3x = 0.9 + 0.05

Combine like terms: -0.05 + 0.05 = 0.00
0.00 + -0.3x = 0.9 + 0.05
-0.3x = 0.9 + 0.05

Combine like terms: 0.9 + 0.05 = 0.95
-0.3x = 0.95

Divide each side by '-0.3'.
x = -3.166666667

Simplifying
x = -3.166666667

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