-1.5+0.3r=-4.2

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Solution for -1.5+0.3r=-4.2 equation: 


Simplifying
-1.5 + 0.3r = -4.2

Solving
-1.5 + 0.3r = -4.2

Solving for variable 'r'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + 0.3r = -4.2 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 0.3r = -4.2 + 1.5
0.3r = -4.2 + 1.5

Combine like terms: -4.2 + 1.5 = -2.7
0.3r = -2.7

Divide each side by '0.3'.
r = -9

Simplifying
r = -9

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