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20x-2\left(2x+1\right)=12x+16x-2
Multiply both sides of the equation by 4, the least common multiple of 2,4.
20x-4x-2=12x+16x-2
Use the distributive property to multiply -2 by 2x+1.
16x-2=12x+16x-2
Combine 20x and -4x to get 16x.
16x-2=28x-2
Combine 12x and 16x to get 28x.
16x-2-28x=-2
Subtract 28x from both sides.
-12x-2=-2
Combine 16x and -28x to get -12x.
-12x=-2+2
Add 2 to both sides.
-12x=0
Add -2 and 2 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -12 is not equal to 0, x must be equal to 0.