2,9x+1,4x=-21,5

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Solution for 2,9x+1,4x=-21,5 equation: 



2.9x+1.4x=-21.5

We move all terms to the left:

2.9x+1.4x-(-21.5)=0

We add all the numbers together, and all the variables

4.3x+21.5=0

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

4.3x=-21.5

x=-21.5/4.3

x=-5

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