Solve for x
x=3
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6x\left(-19+20\right)=18
The opposite of -20 is 20.
6x\times 1=18
Add -19 and 20 to get 1.
6x=18
Multiply 6 and 1 to get 6.
x=\frac{18}{6}
Divide both sides by 6.
x=3
Divide 18 by 6 to get 3.
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