What is the answer to x+7x-12=-20 ?

The answer to x+7x-12=-20 is x=-1

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x+7x-12=-20

x + 7 x - 12 = - 20

x = - 1

Solution steps

x + 7 x - 12 = - 20

Add similar elements:

x + 7 x = 8 x

8 x - 12 = - 20

Move

12

to the right side

8 x = - 8

Divide both sides by

8

x = - 1

\frac{4}{4 ^{2}}

lo g_{11} (\frac{1}{11})

x^{2} - 3 x + 36 = 0

2 x^{2} - 6 x + 10

\frac{1}{2} + \frac{5}{\frac{1}{2}}