Solving Inequalities by Multiplication and Division by a Positive Number
If 5.3x - 4.3...
Question
If 5.3x−4.3≥3.4x+7.7, then .
A
x≤6
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B
x≥6
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C
x≥−6
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Solution
The correct option is Bx≥6 Given 5.3x−4.3≥3.4x+7.7
Moving 3.4x to the left and 4.3 to the right, ⇒5.4x−3.4x≥7.7+4.3 ⇒2x≥12
Dividing both sided by 2 ⇒x≥6