2/7(x-)9=-4

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Solution for 2/7(x-)9=-4 equation: 



2/7(x-)9=-4

We move all terms to the left:

2/7(x-)9-(-4)=0



Domain of the equation: 7(x-)9!=0

x∈R



We add all the numbers together, and all the variables

2/7(+x)9-(-4)=0

We add all the numbers together, and all the variables

2/7(+x)9+4=0

We multiply all the terms by the denominator


4*7(+x)9+2=0

Wy multiply elements

28x(++2=0

We use the square of the difference formula

28x(+2=0

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