Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$| 2 x - 4 | = 0$$

Answer

x=2

Solution


Drop the absolute value, since this equation sums to zero.
\[2x-4=0\]
Solve the 1st equation: \(2x-4=0\).
\[x=2\]
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