Question 678991
Multiply the entire equation by 6 to be rid of the fractions
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{{{6z + 6(-2/3) = 6(-1/6)}}}
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6z - 4 = -1
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Isolate the z variable
6z = -1 + 4
6z = 3
z = {{{3/6}}} = {{{1/2}}}
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