Question 670971
3 - 3x = -3x - x
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Isolate x variables to one side
{{{3 - cross(3x) + cross(3x) = -3x - x + highlight(3x)}}}
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Combine like terms
3 = -3x - x + 3x
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3 = -x
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Divide both sides by -1
{{{3/highlight(-1) = cross(-1)x/cross(-1) }}}
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{{{highlight_green(x = -3)}}}
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