a-(-1.5)=-4.2

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Solution for a-(-1.5)=-4.2 equation: 



a-(-1.5)=-4.2

We move all terms to the left:

a-(-1.5)-(-4.2)=0

We add all the numbers together, and all the variables

a+5.7=0

We move all terms containing a to the left, all other terms to the right

a=-5.7

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