solve using trial and error method :9x/5-4=5
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9X/5-4=5
add 4 on both sides
9X/5-4+4=5+4
9X/5=9
multiply 5
9X/5×5=9×5
9X=45
X=5
add 4 on both sides
9X/5-4+4=5+4
9X/5=9
multiply 5
9X/5×5=9×5
9X=45
X=5
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